A massive solar tornado, big enough to swallow the Earth, was observed twirling across the surface of the "quiet" sun last ...

For those in midlatitudes of the Northern Hemisphere, the arc of our galaxy becomes easier to see in May. Here's when and ...

An international team of astronomers reports the discovery of two new exoplanets, a few times more massive than Earth, ...

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

Scientists respond if it can be dangerous for our planet However, just as it is powerful, the Sun can occasionally become ... satellite and telecommunications system. For now, astronomers are ...

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

Researchers discovered Eos, a molecular cloud, using ultraviolet light. It is near Earth and lacks carbon monoxide. This ...

Elon Musk is taking the long view. The billionaire SpaceX founder has long said that humanity needs to expand its footprint ...