How dark is outer space? The New Horizons spacecraft is helping astronomers find out
Measurements from beyond Pluto shed light on the "fossil record" of our universe
A new tweak to an old model explains the existence of primordial black holes
Black holes formed in the early universe could be linked to dark matter
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Is dark matter just made of "antimatter nuggets"?
New research asks how the world would look if chunks of antimatter collided with people, rocks, and stars
Our concept of life is too Earth-centric — alien life might look totally different
There are over 100 scientific definitions of "life," and none might be accurate outside Earth
Dr. Vera Rubin deserves her name on new telescope designed to study dark matter
This is a great and fitting opportunity to honor her scientific contributions
Meet Vera Rubin, the stargazer who predicted dark matter
From childhood, she preferred 'to stay up and watch the stars than go to sleep'
We can’t see it or feel it, but we know it’s out there. Probably.
Learn how we know about dark matter, the best attempts so far to explain what it is, and the experiments that are trying to detect it.
Dark Matter makes up a quarter of our universe, but we still have no idea what it is
The discovery of the Higgs boson points us in the right direction, but we’re still feeling our way through the dark.