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 one final show, it appears — and NASA's Hubble Space Telescope has captured ...

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, ...

Then, last week, the United States and Russia allowed New START, their last nuclear arms control treaty, to die. For the first time in 50 years, the two nations do not have limits on the size or ...

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 ...

Sterling was demoted to the "bomb squad" by manager Enzo Maresca before the Italian's exit, with the ex- England winger falling down the pecking order in remarkable fashion. He was loaned to Arsenal ...