It is the brightest quasar that can be seen in visual or ultraviolet light.
Biggest Test Yet Shows Einstein Was Wrong About ‘Spooky Action at a Distance’.
Stephen Hawking’s final theory about the big bang.
Dark energy’s weakness may be why supernovae didn’t kill us all.
TESS space probe is chance to find a world ‘pregnant’ with life, says NASA astrobiologist.
Big Bang, Big Claim: Why This Bold Idea Is Right.
Are we too late? Nearby Earth-like exoplanet Proxima b slammed by SUPER FLARE that may have wiped out any possibility of alien life.
Mystery of dark matter deepens: Scientists claim the elusive substance does NOT interact with galaxies after all.
Our universe could be DESTROYED abruptly in a collision with a bubble of negative energy, warn scientists – and the process may have already started.
Out-of-control Chinese space station’s fiery crash to Earth is due in around 70 HOURS (but scientists still don’t know where it will land).
Physicists to probe BEYOND the beginning of time, before CREATION itself.
Physicist Stephen Hawking dead at 76.
New star described in a model combining relativity and quantum mechanics.
Neutron star that defies all the rules discovered.
The Andromeda Galaxy Is Not Bigger Than the Milky Way After All.
Supermassive black hole is spotted feasting on a 40-light-year-wide ‘space doughnut’.
‘Humanity’s Holy grail’: Trappist-1 planets 40 light years from Earth could be our best chance of finding life outside the solar system.
NASA Can Use Pulsars to Navigate Deep Space. Where to Now?
What Is the Biggest Thing in the Universe?
The Milky Way ATE 11 other galaxies as its grew, groundbreaking dark energy survey finds.