Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can ...

Surplus military explosives were once sold as fertilizer, with no thought spared for their flammability.

Once charted as a 'guest star' in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the ...

Scientists confirm the universe is still expanding faster, refuting a recent challenge that questioned the existence of dark energy.

This sparkling galaxy is home to a set of supernova remnants that showed variable brightnesses over 14 years of data ...

Artist’s impression of an Ediacaran animal community. Credit: Hugo Salais A new study suggests evolution stayed stuck for millions of years until sexual reproduction helped unleash a burst of ...

What you should know about hantavirus, why PCOS is getting a new name, and how some fish hide in an unusual spot ...