This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

"Can humanity enjoy the benefits of both asteroid and lunar mining without compromise, or do we have to choose one at the ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

One morning, the Moon wakes up the Earth — and to its surprise, every planet in the Solar System has transformed into another Earth! What would happen to gravity, orbits, and life as we know it? Get ...

What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that ...