The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

You'll be able to easily see four planets in the February evening sky ... Mercury — passes superior conjunction with the sun on Feb. 9 and enters the evening sky. By Feb. 19, only 9 degrees ...

Astronomers have found two planets around two separate stars that are succumbing to their stars' intense heat.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...

Section 31? For our answer, we’ll have to dig into decades of behind-the-scenes intrigue and centuries of Star Trek ...

Dec. 9, 2024 — Dust storms on Mars could ... struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into ...