Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

NASA confirms third interstellar object, 3I/ATLAS, traveling at 152,000 mph. The rare comet will pass closest to the Sun on ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

A new study published in The Innovation highlights the launch of Haishao-1 (HS-1), China's first low-inclination orbit ...