Nearly all of the planets in the solar system are about to march through the night sky in a single-file line. This planetary alignment, sometimes called a planet parade, will include all of the solar ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after much of the ...

WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per ...

A rare six-planet alignment featuring Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune is visible across India today. Learn the best timings and tips to spot this planetary parade from your ...

An oddly-behaving star led two UW astronomers to capture rare evidence of a collision between two planets in a distant solar ...

Some parades occur when only three or four planets align in our sky, but the coming one on Feb. 28, 2026, is a bit more rare.

The takeaway: An international team of astronomers has published a study on LHS 1903, a red dwarf star hosting a truly unusual planetary system. Unlike our solar system and many previously discovered ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...