Solar System

The chances of asteroid 2024 YR4 hitting our planet are now zero. Last week, it was the riskiest asteroid to hit our planet since records began.

"Every centimeter of sea level rise exposes another 2 million people to annual flooding somewhere on our planet."

Breathe a sigh of relief! NASA has dropped the risk of asteroid 2024 YR4 impacting Earth in 2032 to 1 in 360, just days after it became the highest-risk asteroid since records began.

After the space community braced for a brutal shake-up at NASA this week, a last-minute decision on Tuesday (Feb. 18) spared over 1,000 agency employees on probationary status from being dismissed.

Not much, unless we're talking about spacecraft.

Resilience, a lunar lander built by Japanese company ispace, zoomed within a mere 5,220 miles (8,400 kilometers) of the moon on Feb. 14.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, whether you call it a planet or not.

Researchers discovered that Earth's inner core is surprisingly viscous.

A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts — and Mercury is in the picture.