Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

Astronomers discover that the rotation speeds of distant planets reveal how they form and evolve in the universe ...

Earth rotates at roughly 1,000 mph at the equator — and if that motion suddenly stopped, everything on the surface would keep ...

Earth’s magnetic field shields our planet from dangerous solar energy and damaging cosmic radiation, while the gravitational ...

Scientists analyzing data from the Cassini-Huygens mission have identified an unexpected feature in Saturn’s magnetic shield.

An international team led by Dr. Indrani Das of Academia Sinica Institute of Astronomy and Astrophysics (ASIAA) has shown, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A model of the inner Solar System showing the asteroids discovered by Rubin in light teal.

Scientists are getting a clearer look at what happens when a black hole tears a star apart and why each cosmic flare looks ...

The space rock is expected to make its closest approach at around 848,000 miles from the Earth, according to NASA.

The bacterial flagellar motor is finally understood after 50 years. In its workings, columnist Natalie Wolchover finds the ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.