The meteor fragments returned by OSIRIS-REx shed light on the entwined history of water and the chemical ingredients of life in the solar system.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Astronomers studying FCC 224, an ultra-diffuse galaxy, have discovered luminous, overmassive globular clusters, providing key ...

Asteroids Asteroids have been floating in the dark abyss of space for millions of years. They're often called the remnants of ...

A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

When exposed to formaldehyde, which was also detected, ammonia can form amino acids, the building blocks of proteins. According to the study in Nature Astronom y, the team also found 14 of the 20 ...

An extraordinary astronomical phenomenon will illuminate the sky as stargazers are urged to look up to catch a glimpse of the ...

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The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...