Asteroids are rocky objects orbiting the Sun, leftovers from the solar system's formation about 4.6 billion years ago. Most reside in the asteroid belt between Mars and Jupiter, but some orbit closer ...

A skyscraper-size, "potentially hazardous" asteroid is set to make a close approach to Earth this week — and you can see it zoom past for yourself, either by using a backyard telescope or via a free ...

The skyscraper-size asteroid, named 2025 SC79, loops around the sun once every 128 days, giving it the second-fastest asteroid orbit in the solar system. It is also only the second known space object ...