NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

Hubble's stunning new image of interstellar comet 3I/ATLAS has ignited a scientific row, especially after a whistleblower ...

A distant red giant star is rippling with seismic vibrations, and for the first time, a NASA spacecraft has translated those ...

Solar sailing has moved from science fiction concept to working hardware, and now a new generation of entrepreneurs wants to ...

Day 5 of the 2025 Space Telescope Advent Calendar ...

If it feels like the last month of the year has kicked off on an especially dramatic note, you’re simply feeling the vibes of ...

A spectacular new view of two dwarf galaxies caught in the middle of a cosmic collision reveals a glowing gas bridge, streams of newborn stars and the ongoing gravitational tug-of-war reshaping both ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.