The NG-18 Cygnus spacecraft departed the International Space Station and burned up in Earth's atmosphere the following day. Astronaut Frank Rubio called the time-lapse a "great example of basic ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Lightning has been seen on other planets in the solar system, in the atmospheres of Jupiter and Saturn. Because Mars is cold ...

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA's ...

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected ...

Approximately 400,000 years ago, some areas of Greenland that are now covered by a thick layer of ice were exposed to fresh ...

NASA's Perseverance rover spotted a possible space rock on the surface of Mars. The meteorite's nickname is 'Phippsaksla.' ...

NASA's Solar Dynamics Observatory captured a massive 'tornado' on the sun in multiple wavelengths. Unlike the Earth, ...

Recent online activity has revived interest in the interstellar comet 3I/ATLAS, with astrophotographers sharing time-lapse ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.