It's the final act for a star in the constellation Cygnus, some 1,000 light-years away. But this star is not dying without ...

Hubble keeps returning to the Egg Nebula because it changes in ways astronomers can actually track over years and decades. By comparing images taken at different times, scientists can see dust shift, ...

The expiration of New START leaves U.S. and Russian nuclear forces unconstrained, raising risks of miscalculation and arms ...

What survives a black hole: an additional black hole, or a neutron star? Recalculations put the two at the same clock and the ...

New START expired on February 5, ending decades of U.S.-Russia cooperation to reduce each country’s nuclear weapons on alert. Four arms control experts provide insight on whether the end of the treaty ...

Merger of two neutron stars in the aftermath of a supernova may have been observed for the first time, though questions ...

When the universe first burst into being, all of space was a cosmic cauldron filled with a roiling, fiery liquid of ...

After 25 years, Brookhaven National Laboratory’s Relativistic Heavy Ion Collider—the U.S.’s largest particle collider—has ...

The European Southern Observatory’s Very Large Telescope (VLT) recently captured an extraordinary image that features both ...

Astronomers identified a strange object in the Milky Way that sends out powerful bursts of radio waves and X-rays with steady ...

A repeating fast radio burst has just given up one of its biggest secrets. Long-term observations revealed a rare signal flare caused by plasma likely ejected from a nearby companion star. This shows ...

Fallout stars Walton Goggins, Ella Purnell, and Aaron Moten let the end times roll in Entertainment Weekly's exclusive cover shoot ahead of the Prime Video series' "explosive" season 2 finale on Feb.