Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Learn about the theory suggesting that the Earth sits inside of a void, which may explain why the universe appears to expand ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b, is depicted in this illustration released by ...

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

That means returning from the moon, the Artemis astronauts will be traveling at around 0.0037% the speed of light. Assuming a ...

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

Japan’s Himawari weather satellites, designed to watch Earth, have quietly delivered a decade of infrared snapshots of Venus.

Using infrared imaging data collected by the two satellites over a 10-year period from 2015 to 2025, the team estimated ...