Interstellar object 3I/ATLAS will fly by Earth on December 19, 2025, and a few key details can help amateur observers spot the visitor in the sky ...

Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a ...

The world's largest planetary defense drill is underway as scientists prepare for 3I/ATLAs to make its closest pass by Earth ...

Imagine a piece of debris, ejected violently from a star system light-years away, now hurtling through our own cosmic ...

On a mountaintop better known for sunrise selfies, UH Mānoa scientists are quietly teaching a computer to unravel the Sun.

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

Astronomers have already warned that SpaceX's Starlink satellite network contributes to blemishes on images from ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation ...