Fantasizing about interplanetary exploration is a fun mental exercise, but the harsh realities of life (or lack thereof) in ...

"It’s kind of a jigsaw puzzle where all the different pieces are moving." ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.

A massive new sunspot complex, dubbed AR 4294-4296, has emerged on the sun and is facing directly at Earth. The dark patch is ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Two massive hot stars brushed very close to our Sun, leaving behind a trace in the clouds of gas and dust that lay beyond our ...

These images help to unravel the magnetic mechanisms driving the sun's behavior and shaping the space environment throughout ...

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

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

The interstellar comet 3I/ATLAS is making its final pass, highly active after its Sun encounter. NASA and ESA release new ...

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but ...