As climate targets slip out of reach and heat records fall year after year, a once-fringe idea is moving toward center stage: ...

Neil deGrasse Tyson explains why Earth, despite mountains and trenches, is smoother than most imagine. Learn how its size, ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Study finds Earth's ancient atmosphere may have produced essential sulfur biomolecules like cysteine, challenging theories on ...

Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules ...

Using a highly sensitive mass spectrometer capable of detecting trace chemicals, the researchers discovered that their early Earth simulation created an entire collection of sulfur biomolecules. These ...

Make sure your angles are in units of radians (not degrees), where 2π radians = 360 degrees. But after that you will get the ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.

UC San Diego says it’s struggling to deal with a large and growing number of freshmen whose math skills are below middle-school level, leaving many unprepared to thrive at an institution famed for its ...

NASA's Science Mission Directorate (SMD) announces the release of its annual omnibus solicitation for basic and applied research, Research Opportunities in Space and Earth Science (ROSES) 2025 as ...