Comet C/2025 A6 (Lemmon) is coming close to Earth, offering Californians a rare celestial viewing opportunity.

Could a ‘Trojan Horse’ from space be headed our way? Harvard scientist Avi Loeb warns 3I/ATLAS might be more than the average ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

A rare green comet is passing by Earth and can be seen with the naked eye from Oklahoma – and the next shot to catch it won’t ...

Asteroid 2025 TP5, discovered just two days before its approach, will fly past Earth on October 15 at a dangerously close ...

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, ...

Learn how astronomers spotted 2025 TF, an asteroid that passed just 266 miles over Antarctica in early October 2025.

“It’s all about the encounter physics.” With those words, MIT Professor of Planetary Sciences Richard Binzel emphasized the record-book quality of what will happen on April 13, 2029, when asteroid ...

The little space rock, called 2025 TF, safely passed within roughly 250 miles (400 km) of our planet on Tuesday (Sept. 30) at ...

In April 2029, Apophis is predicted by NASA to come within 32,000 kilometers (20,000 miles) of the Earth's surface. Closer ...

A small asteroid flew 266 miles over Antarctica. It was too small to pose a threat, but objects of that size can produce fireballs.