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

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 ...

As New Year’s Day fades, a young moon hangs in the southwest near Venus and Mars. And as the sun sets on the last day of ...

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

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

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

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern ...

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

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Resilience is taking a slow and steady course toward its final landing zone in Mare Frigoris ("Sea of Cold"), in the moon's ...