When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

Pedro Acosta: I’m more relaxed when I’m on the bike. That’s the easy part. You put your helmet on, do your thing, you’re the ...

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

Bite your tongues and raise your arrows, folks. Mercury is moving into the mutable fire of Sagittarius this week.

Might the solar system harbor not just one, but two unknown planets? A fresh study of the Kuiper Belt’s structure has revived ...

Melissa underwent extreme rapid intensification, strengthening to a rare Category 5 with winds of 175 mph and stronger gusts, making it the strongest storm on the planet this year. Follow for live ...

No, NASA didn’t confirm a second moon, but scientists did discover something else that’s been traveling with Earth for ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

JWST found a carbon-atmosphere planet orbiting a pulsar, challenging current models of how planets form. Scientific progress ...

June Lockhart, who became a mother figure for a generation of television viewers whether at home in “Lassie” or up in the ...