In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out. It formed unusually close to the Sun. Mercury’s days are longer than its years. It ...

The Environmental Protection Agency faces challenges during a government shutdown. The agency's mission to protect health and ...

New data from the International Gemini Observatory revealed the object has grown in its estimated size, with it now weighing ...

NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific ...

The aurora borealis is a spectacle of space weather, but solar flares and coronal mass ejections have far more Earthly ...

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life.

A new study rules out the existence of global oceans of water on Neptune-like planets such as K2-18b, finding their water ...

Stargazers will be happy to know that October will see the cosmos compensating for a couple of relatively lean months.There ...

October opens with Saturn, just about a week past opposition, high up in the eastern sky after dark and visible all night. ...

If you squint, Jeff Bezos and Elon Musk want the same thing: a thriving human civilization that survives beyond the next few ...

The bottom line is that the fact that fire is so tightly bound to Earth is a reminder of how special our planet is. Every ...