A Cloudy Climate Mystery Over Antarctica Has Scientists Rethinking Their Models

Researchers compare observations with leading climate models to identify errors and help improve future climate predictions. Some simulations put too many low clouds over the Southern Ocean, yet still underestimate how much heat reaches the surface below. Observations from an Antarctic research voyage suggest that fixing the cloud count alone will not solve the problem. […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Large Binocular Telescope data cut helium measurement uncertainty threefold. Helium, a light chemical element, carries clues to what the universe was like during its first five minutes. To read that record, an international team turned to 15 small, remote galaxies whose chemistry has changed very little, preserving a composition close to that of the early […]

The Asteroid That Killed the Dinosaurs Was Stranger Than We Thought

Scientists are narrowing down the type of space rock that caused the mass extinction at the end of the Cretaceous period, and new research suggests it was no ordinary rock. The Chicxulub impactor, the space rock that struck what is now Mexico 66 million years ago, left behind an enormous crater but almost nothing of […]

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