Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

This is the message of the sixth issue of the annual "State of the Climate" report. The report was prepared by an ...

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

Jeff Bezos’ latest round of grants supports researchers using A.I. to protect nature and curb climate impacts.

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...