As the supernovae expand and cool, oxygen from the ejecta reacts with H and H 2 to form water in the halo, and H 2 also forms on dust grains,” study authors explained in a ne ...

Sometimes deep space can seem like a cold, uncaring place fully removed from the dramas unfolding on the planet Earth.

The Cherenkov Telescope Array just got a major boost for distributing its data, a development that will expedite scientific ...

“Before the first stars exploded, there was no water in the Universe because there was no oxygen,” said Daniel Whalen, a ...

The findings dramatically push back the timeline for water's cosmic appearance to just 100-200 million years after the ...

T Coronae Borealis, the Blaze Star, is set to erupt after 80 years, becoming visible to the naked eye. Skywatchers may ...

Astrophysicists have done a bit of crime scene investigation on what’s almost a reverse murder mystery. They’ve traced ...

Scientists have uncovered “Quipu,” the largest known galactic structure, stretching 1.4 billion light-years. This discovery ...

The cosmos is riddled with evidence that the universe began with an exotic, unfathomably rapid expansion, but scientists don't know why it happened. NASA JPL's SPHEREx mission will seek answers to the ...

A supernova 6 million years ago may have blasted Earth with radiation, triggering DNA mutations and accelerating evolution.

A new image from the Hubble Space Telescope shows one of the most famous and beautiful objects in the night sky.

The most powerful cosmic rays in the universe currently have no explanation. New research suggests that exotic, ...