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

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large ...

June 7 (UPI) -- SpaceX launched SiriusXM's second new satellite into orbit from Florida early Saturday after five delays. The ...

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.

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star.

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 ...