"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

The sun just released a burst of a rare form of helium known as helium-3 ( 3 He). What's peculiar is this lightweight, ...

No, rooftop solar advocates told the good-government Little Hoover Commission at a recent hearing, rooftop solar doesn’t cost ...

Just when you think Snapchat couldn’t get more creative, it drops something that gets everyone buzzing again. Yup, the same ...

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

There is no other moon quite like our own in the entire solar system. The Moon is unique in a lot of ways, some of which are ...

The newly discovered comet, C/2025 F2 (SWAN), is racing toward the Sun, and it may not survive its closest approach.

In May 2020, astronomers for the first time observed a planet getting swallowed by its host star. Based on the data at the time, they believed the ...

NASA’s James Webb Space Telescope provided a closer look at the aftermath of a star that wreaked violence on its planet ...

Then, on April 25, the crescent moon shines alongside Mercury, Venus and Saturn ... If you'd prefer to gaze beyond our solar system, we've selected the best telescopes for deep space.