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

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

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn will appear in a row on the evening of 28 February, marking the last time for 15 years that all of the planets will be visible at the same ...

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

This is the first time a planet has been uniquely discovered by Gaia's ability to ... Straight Shot: Hubble Investigates Galaxy With Nine Rings Feb. 4, 2025 — NASA's Hubble Space Telescope has ...