YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see ...

The Trump administration indicated U.S. troops could be deployed to Ukraine to provide security in connection with the ...

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...

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 ...

A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...

Roughly 300,000 years ago, our species first appeared on the African landscape before spreading globally and coming to ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

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

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

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

American Vice President JD Vance joked about Greta Thunberg's scolding criticism of the U.S. in a speech that roasted ...