Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Wolf supermoon this weekend, chased closely by a planetary parade and a good chance of viewing the Andromeda galaxy in ...

Learn more about the year’s first supermoon and other early 2026 astronomical events you don’t want to miss, including a planet parade and fireball meteor showers.

While the galaxy remains fairly unchanged for this star, you'll have to be especially careful destroying the various enemies on the Daredevil Run. Be sure to long-jump to the 1-Up Mushroom over the ...

NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, bright spot near a ...

NASA’s SPHEREx has mapped the entire sky in 102 infrared colors, which are invisible to the human eye but can be used to reveal different features of the cosmos. This image features a selection of ...

I got a kick out of Patrice Apodaca’s column regarding extraterrestrials and how they might feel about Orange County should they ever make their way down to our neck of the woods. Apodaca gives a ...

A puzzling ultraviolet light seen across the Milky Way could come from the destruction of nuggets of dark matter, the mysterious stuff that makes up around a quarter of the matter and energy in the ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. [‘On This Day in Space’ Video Series on Space.com] The Andromeda ...