But the state-of-the-art space observatory has recently imaged two grand design spiral galaxies, and one appears to be the ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

It has been just over three years since JWST was launched into space and in that time, the telescope has dramatically ...

The Firefly Sparkle Galaxy is the first Milky Way-sized galaxy to ever be found while still in the process of forming.

Once thought to be 8 billion years old, the star HD 110067 — famous for its six synchronized exoplanets — may be only 2.5 ...

Space.com was on duty all year to bring you the major developments in the science of the universe's most fascinating entities: black holes.

Astronomers using the Chandra X-ray Telescope have discovered an "exhaust vent attached to a “chimney” of hot gas blowing away from the center of the Milky Way galaxy," according to the Chandra team.

2024 saw a number of successful moon landings by Japan, Intuitive Machines, and SpaceX, while the Boeing Starliner stranded ...

Astronomers have made a groundbreaking discovery: a binary star orbiting perilously close to the supermassive black hole at the center of our galaxy, Sagittarius A*. This stellar pair defies ...

Learn how the existence of dark energy is being challenged due to new evidence that the expanding universe is actually "lumpy ...

Twenty years ago today a magnetar’s epic tantrum made our planet ring like a bell from tens of thousands of light-years away ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its ...