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.
Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.
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 ...