Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Pluto sits far out in the Solar System, small and dim, moving at a pace that barely fits human timelines. It was found in ...

In a new study, scientists used advanced computer models to peer beneath Jupiter's dense swirling cloud tops and tackle a ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

Within a few dozen light years of the Sun, the sky is crowded with stars that could, in principle, host living worlds. I want ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

For how long can the Earth support complex life before entering an irreversible zone from an environmental perspective?

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

As of Saturday, Jan. 17, the Moon phase is Waning Crescent. According to NASA's Daily Moon Guide, 2% of the Moon will be lit ...