Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing ...

Astronomers have found a colossal spinning structure in space. Galaxies within this formation appear to spin together with a ...

New research examines the theory that this biblical phenomenon was actually a comet, and subjects it to mathematical ...

NORAD, the North American Aerospace Defense Command, tracks Santa's Christmas Eve flight around the world each year. Follow a ...

This video explains Earth’s rotation, how it gradually changes over time, and why our planet continues spinning without ...

When Santa is done delivering presents on Christmas Eve, he must get back home to the North Pole, even if it’s snowing so ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

Neutron stars explained through stellar remnants and collapsed stars, revealing extreme density, gravity, magnetism, and ...

Scientists tracked interstellar comet 3I/ATLAS and found rotating jets in a rare sun-facing tail during its 2025 pass through ...