From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

The BlueBird 6 from Texas-based AST SpaceMobile comes in at a full 2,400 square feet, or about the size of a three-bedroom ...

The first full moon of 2026 is the Wolf Moon. And it’s a supermoon —the fourth in a row! As per the Farmer’s Almanac, it will ...

A rare cosmic alignment has revealed three supermassive black holes blasting radio jets at the same time inside a tangled ...