Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large ...

Asteroid 433 Eros is swinging back into Earth’s neighborhood this weekend, bright enough for backyard telescopes and even ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Reporting from the European Space Agency’s (ESA) Ministerial Council for 2025, held in Bremen last week, IFLScience reveals how ESA is stepping up and doubling down on its commitment to monitoring our ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

Scientists have caught Mars's atmosphere crackling with static, uncovering evidence of miniature lightning in its dust storms.

Tryptophan, an essential amino acid, has been discovered on asteroid Bennu, suggesting that asteroids may have delivered ...

Emily Kwong and Regina Barber of NPR's Short Wave podcast talk about the evolutionary history of kissing, how moss spores ...