A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

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 ...

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 ...

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 ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

From the warmest year on record to an arctic blast and even snow, marine biologists are concerned about weather and climate ...

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 ...

Venus will have a magnitude of -4.8, which is bright enough to cast shadows on Earth. Magnitude is the measure of the ... the night sky just after sunset on Feb. 28. People in the northern hemisphere ...