For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

The Einstein Probe is revolutionizing our view of the distant X-ray universe, offering an unprecedented look at some of the ...

Follow-up observations from the Gemini-North telescope on Hawaii Island and the Very Large Telescope in Chile returned ...

Following the Quadrantids meteor shower, another incredible sky event is about to take place: comet Atlas C/2024 G3 will soon ...