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

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at the heart of modern astrophysics. It says matter spreads out evenly when ...

The Very Large Telescope's SPHERE instrument captured unprecedented images of 51 dusty rings shaping young planetary systems.

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

A small, icy traveler from deep space has just threaded its way through the inner Solar System, offering a fleeting but ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a comet — or possibly something more advanced. The object, known as 3I-ATLAS, was ...

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

Around 4.4 million years ago—long before humans existed—two massive, blazing-hot stars swept past our solar system. They didn ...

Davide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at NASA’s Center for Near-Earth Object Studies in California. Using ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...

Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

Mobility in space continually cements itself as important in this modern era of space exploration, with satellites like Starlink, Amazon's upcoming Project Kuiper, the International Space Station, and ...