For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

Follow-up observations from the Gemini-North telescope on Hawaii Island and the Very Large Telescope in Chile returned ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

The asteroid is about 33 feet (10 meters) across and poses no danger to Earth. It joins another known lunar asteroid ...

The James Webb Space Telescope has revolutionized astronomy in just three years. A new project celebrates its impact on the ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," ...

Lee esta historia en español aquí. The near-Earth object was likely ejected into space after an impact thousands of years ago ...

The sun’s light exerts a tiny force called “solar radiation pressure” on objects in space. Lightweight human-made debris, ...

From Jan. 11 to 15, 2025, a bright comet surged through images from the ESA (European Space Agency) and NASA SOHO (Solar and Heliospheric Observatory) spacecraft. Called C/2024 G3 (ATLAS), the comet ...

Discovered on April 5, 2024, by the Asteroid Terrestrial-Impact Last Alert System (Atlas), which comprises a network of telescopes designed to identify asteroids that may pose a threat to Earth, comet ...