Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!

If gravity reversed on the sun, McCluskey said he’d be scared because it is the only thing keeping the sun together. Nuclear fusion, inside the sun, pushes outward. Without gravity, the sun would ...

Research on the ISS helped scientists tackle problems we can’t solve on Earth, from human biology to fire behavior and ...

It turns out weather on other planets is a lot like on Earth Print this Article Storms on Jupiter's northern hemisphere, captured by Juno's 24th flyby of the planet in December 2019.

Upgraded ALMA images expose hidden rings and spirals around baby stars, indicating planets begin taking shape mere cosmic ...