When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

High in the Andes Mountains of northern Chile, something extraordinary is happening. Perched on the peak of Cerro Pachón at ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

But an international team of astronomers have detected the unmistakable signature of a gas giant planet orbiting the ...

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Telescopes allow scientists to analyze starlight passing through distant planets’ atmospheres, revealing clues about their ...

We are entering a new era of cosmic exploration. The new Vera C Rubin Observatory in Chile will transform astronomy with its ...