YR4 asteroid, which is nearly the size of a football field, now has roughly a 0.004% chance of hitting Earth in about eight years, according to the space agency's latest calculations. The Center for Near-Earth Object Studies previously projected a 3% chance of the asteroid striking our planet before lowering the chance to 0.

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

Earth vs Mars is a new RTS in development at Relic, but unlike the studio's big Company of Heroes and Dawn of War games, this one is a "smaller indie-style" game being made under

However, researchers from the University of Southern Carolina (USC) now say they discovered — almost by accident — that the Earth's inner core may be much more malleable. John

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.

The United States Space Force shared a never-before-seen glimpse into its notably secretive X-37B space plane in orbit. The photo showed the space plane and Earth.

Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after their Boeing spacecraft ran into problems.

Physicists have detected the highest-energy 'ghost particle' ever felt on Earth, with nearly 100 times more energy than any neutrino previously detected.

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.