Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

A pioneering climate scientist says global heating is accelerating. Others say we can still reach climate goals ...

March was once the first month of the year for ancient people who lived in Earth’s Northern Hemisphere. Our forebears widely regarded this month as a time for new beginnings after the dark ...

There are two giant holes in the Sun right now which could create impactful space weather for Earth in early February.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Auroras have long mystified humanity. Now that we know what they are and why they happen, we can better predict how best to ...

You may still be shivering from January’s extreme cold, but the planet tells a different story as January 2025 was the ...

A research expedition in the Tonga Trench filmed a Pacific sleeper shark, a slow-moving, opportunistic predator rarely seen ...

How did woolly mammoths survive the last ice age? And how thick was the ice over New York City? Test your knowledge by taking ...

That's because when the solar particles interact with Earth's magnetosphere, the powerful eruption should make the vibrant northern lights visible to more of the Northern Hemisphere. Here's what ...

The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm forecast to reach Earth.