How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

"Project Hail Mary" is the upcoming outer space odyssey, based on Andy Weir's 2021 novel, that offers a stirring story of ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

Just this once, it's OK to stare at the sun — provided you're looking at the European Space Agency's (ESA) newly released, history-making images of the solar south pole. Taken near the sun on March 23 ...

The sun is around 1,000 times more massive than Jupiter, which is the fifth planet in the solar system, so the effect on the sun as a result of the gas giant is no more than a 40-mile-per-hour ...

The video above, created by our Space.com team, compressed the SDO time-lapse even further, squeezing all 133 days of sun videos into just 2 minutes. Related: The sun's wrath: Here's the worst ...

Better understanding how the sun behaves on a daily basis is important, because radiation emanating from it can affect astronauts or satellites in space. Here are some of the more prominent ...

Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.