Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday, Dec. 19, marking a key moment in the journey ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

That not only makes this the first confirmed runaway supermassive black hole, but this object is also one of the ...

After 11 months of tumult and downsizing, NASA will have a permanent leader. The U.S. Senate confirmed Jared Isaacman, the ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Satellite streaks could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

This Friday, a rare interstellar comet known as 3I/ATLAS will make its closest pass to Earth, giving astronomers a chance to study an object that formed far beyond our solar system.

Satellite streaks could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...