The image was taken when the exocomet was nearly 178 million miles away from Earth. In its blog describing the new picture, ...

At the ragged frontier where the Sun’s influence gives way to interstellar space, Voyager 1 has stumbled into something that ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

"These images are not just pretty." ...

A stark new discovery suggests that there could be big holes in our understanding of cosmology.

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

The 3I/ATLAS object is unusual because it came to the Solar System from “interstellar space.” 3I/ATLAS is an interstellar ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of Earth’s mantle and ejecting a huge debris disk that later formed the moon.