A new study reveals that the Earth's inner core is undergoing a structural transformation. A new study by USC scientists, ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

Radioactive materials are found naturally in the Earth. But even so, saying an area is radioactive can conjure up images of ...

Revelations on The Way Home Season 3 Episode 7 compete with the story's more personal moments, and our review covers it all!

Only Donald Trump can make the call to launch U.S. nuclear-armed ICBMs. Our reporter visits the subterranean world of the ...

It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

An asteroid could potentially crash into Earth in less than eight years. Here's everything to know about asteroid 2024 YR4.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

These days, however, Sputnik is remembered as the moment of national reckoning rather than a knee-jerk response to a Cold War ...