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Greenhouse gases, sea level rise, and ocean acidification all broke records in 2021
May 19, 2022 10:00 AM
This VPN hardware device offers an all-in-one security solution, and it’s on sale
May 19, 2022 9:00 AM
Featured in quasars
Sep 16, 2021
Blindingly bright black holes could help cosmologists see deeper into the universe’s past
Most humongous black holes, astronomers suggest, have acted the same way throughout the eons.
Jan 08, 2018
In his first PopSci appearance, a young Stephen Hawking explains an incredible discovery
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
Dec 08, 2017
Astronomers just discovered a supermassive black hole from the dawn of the universe
And it's much bigger than we expected.
Jan 11, 2013
Faraway Quasar Group Is The Largest Structure In The Universe
It would take a light-speed craft 4 billion years to get from one side of the group to the other.
Nov 29, 2012
Largest Quasar Ever Discovered Burns 100 Times Brighter Than Entire Milky Way
Glowing galactic center located near a supermassive black hole
Jul 18, 2012
By Linking Telescopes, Astronomers Make the Sharpest-Ever Observation of a Distant Object
Two million times sharper than human vision
Jul 25, 2011
Universe’s Largest Water Reservoir Discovered in Black Hole
Lurking in a distant supermassive black hole there exists a reservoir of water as big as 140 trillion oceans, the...
Jan 12, 2011
Hubble Zooms in on Hanny’s Voorwerp, a Mysteriously Glowing Cloud of Gas
Surely Hanny's Voorwerp is one of the strangest Voorwerps we've ever seen
