Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

KM3NeT—is still under construction deep in the Mediterranean Sea but it has already made a find that has amazed scientists.

Watch as a city-killer asteroid set to possibly crash into Earth in 2032 zooms away from Earth in new telescope footage.

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

A huge detector in the Mediterranean Sea spotted the most energetic neutrino from space to date. The particle could shed light on the universe’s most extreme phenomena.

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

The driest place on Earth is the best place to observe the universe, with darkness offering dazzling spectacles of cosmic ...

Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

A mirror is seen at the site where European Southern Observatory (ESO) is constructing the world's largest optical telescope atop a mountain in Chile's arid Atacama desert, in Chile, January 26, 2025.

The telescope is expected to be the largest optical-infrared facility in the world for decades. The mirrors are ready and awaiting installation. "This is a major challenge," said Tobias Muller ...