Asteroid 2025 SC79 is the size of a skyscraper and moves around the solar system at a record-breaking speed. Astronomers ...

A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

Weekday rocket launch is on the horizon. Weather permitting, SpaceX Falcon 9 may be visible in the sky beyond Cape Canaveral, Florida, after liftoff ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

Is Earth getting a second moon? "ChicagoLIVE" talks with Derek Buzasi, Senior Instructional Professor of Astronomy & ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...

The asteroid isn’t a second moon, instead it is a quasi-satellite that is trailing the Earth’s orbit around the sun. Unlike ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

Keep an eye on the night sky in October—you might catch a falling star! The Orionid meteor shower reaches its peak on the night of Oct. 21-22, and the Draconids will also be visible earlier in the ...