NASA's closest-ever Ceres photos reveal more odd shapes
The dwarf planet is pretty, but still mysterious.
See what every star system Kepler's found looks like compared to ours
See all 1,700 exoplanets we currently know about
That star's 'alien megastructure' is likely just a swarm of comets
It's tempting to think that an unusual star is enveloped by alien satellites, but the truth is likely far more pedestrian.
Astronomers find pure oxygen leaking from Rosetta's comet
This discovery could revolutionize our understanding of how the solar system came to be.
Astronomers find the first planet known to orbit a white dwarf
Astronomers have spotted a planet slowly being eradicated by a dying star.
Watch the White House's Astronomy Night live at 7:35PM ET
The White House will stream its second-ever Astronomy Night tonight.
A swarm of alien satellites may explain one star's strange behavior
Scientists say it's still a long shot, but it's a theory worth considering in this case.
I found a secondhand telescope, now what?
How my fascination with astronomy began with a chance encounter during a burrito run.
NASA finds that Pluto has blue skies and surface water ice
New Horizons makes a pair of shocking discoveries during its tour of the recently demoted planetoid.