For more than a decade, scientists have suspected our Milky Way galaxy is destined for a head-on collision with the Andromeda ...

A massive barred spiral galaxy from 11.1 billion years ago has been discovered, showing star-forming activity and gas ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

A new study suggests they may have a ghostly shadow—trailing dark matter spirals hovering above and below them. A team of ...

Towards the end of the month, Mercury will be visible in the western horizon, the space agency said. Californians can observe ...

This June, the Milky Way’s brilliant heart lights up the night as planets align and the solstice sun marks Earth’s celestial tipping point.

The Webb telescope reveals the Sombrero galaxy’s dusty and turbulent history in a new stunning near-infrared portrait.

A small red dwarf star, TOI-6894, is defying astronomers' expectations by having a gas giant planet in its orbit.

Both the Milky Way and the Andromeda galaxies (M31) are part of what's known as the Local Group (LG), which also hosts other ...

SpaceX's rocket got off the ground six times in May from Vandenberg Space Force Base and is due to make its next delivery of ...

Astronomers have believed for decades that the Milky Way is on a collision course with our nearest big neighbor, Andromeda.

Scientists from Helsinki, Durham and Toulouse universities used data from NASA's Hubble and the European Space Agency's Gaia ...