Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...

A billion years ago, days lasted 19 hours: the balance between the oceans, the atmosphere, and the Moon slowed down the Earth ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system ...

Depending on how you look at it, this catchphrase from a 1980s pop song is decently accurate: you can actually melt the ...

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter.

Today, oceans cover about 70% of Earth’s surface. This stark contrast has long driven scientific interest in how water ...

Carl Sagan famously said that "We're all made of star stuff." But he didn't elaborate on how that actually happened. Yes, ...

The seventh edition of the Global Outlook (GEO-7) offers a stark vision of the decades to come. But its authors say the worst ...

Simulations and satellite data reveal that Earth's magnetic field is more complex than scientists had thought. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...