Monthly Archives: April 2026
Near-relativistic swarm could image Proxima b at 20-meter resolution and scan for biosignatures, paper says

Near-relativistic swarm could image Proxima b at 20-meter resolution and scan for biosignatures, paper says Laser sail propulsion is an…

Moving a Civilization: The Caplan Thruster

Moving a Civilization: The Caplan Thruster Because I’ve been talking about enormous structures lately and describing them as ‘big dumb…

Drone radar reveals buried glaciers on Earth, guiding the search for water on Mars

Drone radar reveals buried glaciers on Earth, guiding the search for water on Mars Understanding how to explore hidden glaciers…

Gender, geography and powerbroking in play in race for next UN chief

Gender, geography and powerbroking in play in race for next UN chief The choice of the tenth UN Secretary-General, who will…

Thinner than hair and stretchable like rubber, this new shield tackles a space-age problem in one layer

Thinner than hair and stretchable like rubber, this new shield tackles a space-age problem in one layer Shielding materials are…

JWST hunts for an ‘Earth-moon’ twin in a habitable zone, but the star has other plans

JWST hunts for an ‘Earth-moon’ twin in a habitable zone, but the star has other plans The moon has played…

Two blazing quasars caught waltzing into a merger

Two blazing quasars caught waltzing into a merger Astronomers, using the Atacama Large Millimeter/submillimeter Array (ALMA), have confirmed the existence…

Contribution to Artemis II Moon mission sees successful test of a space camera under cosmic ray conditions

Contribution to Artemis II Moon mission sees successful test of a space camera under cosmic ray conditions The GSI Helmholtzzentrum…

The most energetic neutrino ever detected could be primordial

The most energetic neutrino ever detected could be primordial In the exotic world of particle physics, neutrinos may be the…

Save NASA Science returns to Capitol Hill

Save NASA Science returns to Capitol Hill The 2026 Day of Action brought more than 130 space advocates from 34…

Stability of Interstellar ‘Big Dumb Objects’

Stability of Interstellar ‘Big Dumb Objects’ ‘Big dumb objects’ (BDOs) appear to great effect in science fiction. They come in…

Does reading do us any good?

Does reading do us any good? Stripped of easy moralising, literature makes us relish the search for truth in an…

Milky Way’s ‘little cousins’ may hold clues about infant universe

Milky Way’s ‘little cousins’ may hold clues about infant universe Ultra-faint dwarf galaxies—tiny satellite galaxies orbiting the Milky Way—have long…

Moon dust could stop being a nuisance and start reshaping how humans may build beyond Earth

Moon dust could stop being a nuisance and start reshaping how humans may build beyond Earth As space agencies and…

Image: Belts of green in the Washington suburbs

Image: Belts of green in the Washington suburbs Along the northeast side of the Capital Beltway in Maryland, green spaces…

Secretary-General hopefuls make their case in televised ‘interactive dialogues’

Secretary-General hopefuls make their case in televised ‘interactive dialogues’ The four candidates so far in the running to be the…

Mapping the hidden structure of the universe

Mapping the hidden structure of the universe The universe has a hidden structure, and a University of Virginia professor is…

What makes Mars’ magnetotail flap? Two spacecraft point to magnetic reconnection

What makes Mars’ magnetotail flap? Two spacecraft point to magnetic reconnection The sun continuously blasts charged, magnetic field-carrying particles, or…

Sulfur-rich Mercury magmas behave differently than Earth’s do

Sulfur-rich Mercury magmas behave differently than Earth’s do Mercury is a small, rocky planet about which researchers know relatively little….

Extraction of oxygen from lunar regolith using solar pyrolysis

Extraction of oxygen from lunar regolith using solar pyrolysis Experimental apparatus of an experiment to characterize solar pyrolysis of lunar…

DESI completes planned 3D map of the universe and continues exploring

DESI completes planned 3D map of the universe and continues exploring The Dark Energy Spectroscopic Instrument (DESI) has successfully completed…

Volunteers discover rare space weather events using their ears

Volunteers discover rare space weather events using their ears Our planet rests inside a magnetic cocoon filled with plasma—but it’s…

Triumph and turmoil

Triumph and turmoil The successful conclusion to Artemis II; the threat of termination to many other missions. Go to Source…

The invention of the soul

The invention of the soul Humans weren’t given souls by God or genes. We made them ourselves with language –…

New open-source Python-based software boosts space-weather modeling

New open-source Python-based software boosts space-weather modeling University of Birmingham experts have created open-source computer software that helps scientists understand…

New open-source Python-based software boosts space-weather modeling

New open-source Python-based software boosts space-weather modeling University of Birmingham experts have created open-source computer software that helps scientists understand…

No Signs of Atmosphere on TRAPPIST-1 b or c

No Signs of Atmosphere on TRAPPIST-1 b or c Waiting to learn what next generation telescopes will reveal is tantalizing…

‘Interstellar glaciers’: NASA’s SPHEREx maps vast galactic ice regions

‘Interstellar glaciers’: NASA’s SPHEREx maps vast galactic ice regions NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of…

UN General Assembly adopts landmark resolution to strengthen the work of the UN system

UN General Assembly adopts landmark resolution to strengthen the work of the UN system The United Nations General Assembly on…

Research helps power safe return of astronauts in historic Orion splashdown

Research helps power safe return of astronauts in historic Orion splashdown When NASA’s Orion capsule splashed down in the Pacific…

Self-interacting dark matter may solve three cosmic puzzles

Self-interacting dark matter may solve three cosmic puzzles A study led by UC Riverside physicist Hai-Bo Yu suggests that a…

How Artemis II’s Earthset photo compares with the iconic Earthrise image from 1968

How Artemis II’s Earthset photo compares with the iconic Earthrise image from 1968 As NASA’s Artemis II mission completed its…

Astronomers find evidence for three subpopulations of merging black holes

Astronomers find evidence for three subpopulations of merging black holes Astronomers analyzing gravitational-wave data from the LIGO-Virgo-KAGRA Collaboration have reported…

Chang’e mission samples reveal how exogenous organic matter evolves on the moon

Chang’e mission samples reveal how exogenous organic matter evolves on the moon Elements essential to life, such as carbon, nitrogen,…

What a view!

What a view! Artemis II brings us amazing views of Earth, the Moon, and the Cosmos beyond. Go to Source…

Patterns without desires

Patterns without desires The art expert is the fulcrum of all value and significance in the museum and auction world….

Medieval Japanese poetry and buried trees help elucidate volatile space weather

Medieval Japanese poetry and buried trees help elucidate volatile space weather On Earth, extreme solar activity often appears as beautiful,…

Artemis II astronauts describe their lunar voyage as surreal and profound ahead of Earth return

Artemis II astronauts describe their lunar voyage as surreal and profound ahead of Earth return Drawing ever closer to Earth,…

Interstellar Probes: Moving Beyond Bracewell

Interstellar Probes: Moving Beyond Bracewell Lately we’ve been discussing interstellar probes, the kind that an extraterrestrial civilization might use to…

Student research on coronal holes improves space weather forecasting

Student research on coronal holes improves space weather forecasting Fast solar winds originating from the sun can have direct impacts…

UN80 Initiative enters ‘delivery phase’, as Member States review progress on key work areas

UN80 Initiative enters ‘delivery phase’, as Member States review progress on key work areas Top officials updated Member States Monday…

Parabolic flight test shows lasers can propel graphene aerogels in microgravity

Parabolic flight test shows lasers can propel graphene aerogels in microgravity Lasers could one day steer solar sails and adjust…

If life exists in Venus’s atmosphere, it could have come from Earth

If life exists in Venus’s atmosphere, it could have come from Earth The theory of panspermia holds that life is…

On Artemis and Starshot

On Artemis and Starshot Watching Artemis lofting skyward I relived the Apollo launches, experiencing feelings that no subsequent missions ever…

Artemis astronauts begin fifth day on historic moon mission

Artemis astronauts begin fifth day on historic moon mission The four astronauts on NASA’s Artemis 2 mission began their fifth…

Two’s company: Scientists identify new class of star remnants

Two’s company: Scientists identify new class of star remnants In about 5 to 8 billion years, our sun is expected…

The depths of Neptune and Uranus may be ‘superionic’

The depths of Neptune and Uranus may be ‘superionic’ The interiors of ice giant planets like Uranus and Neptune could…

What is the skinny budget and what does it mean for NASA?

What is the skinny budget and what does it mean for NASA? The White House Office of Management and Budget…

When trauma becomes trope

When trauma becomes trope Humanitarian journalism is a moral calling to document human suffering. But in practice, it’s an ethically…

The unseen challenges of life on the moon

The unseen challenges of life on the moon For the first time since the Apollo era, humans are preparing not…

The unseen challenges of life on the moon

The unseen challenges of life on the moon For the first time since the Apollo era, humans are preparing not…

Mercury scout mission concept with solar sail propulsion

Mercury scout mission concept with solar sail propulsion The planet Mercury is the closest planet to the sun, and also…

Thinking about Bracewell Probes

Thinking about Bracewell Probes Sometimes I jog my perspective on thorny physics issues by going back to earlier work. At…

UN resolution urges reparations for slavery’s ‘historical wrongs’

UN resolution urges reparations for slavery’s ‘historical wrongs’ Applause erupted in the UN General Assembly Hall on Wednesday as Member…

Seven missions launched to test optimized data transfer from space

Seven missions launched to test optimized data transfer from space Eight CubeSats and one payload supported by the European Space…

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