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May 21, 2022 9:00 AM
Steelmaking is a major source of emissions. These companies are racing to fix it.
May 20, 2022 6:00 PM
Featured in event horizons
Apr 06, 2017
This Earth-size virtual telescope could take the first picture of a black hole
Scientists just switched on the Event Horizon Telescope
Feb 17, 2012
How to Take a Picture of a Black Hole
First, build a telescope the size of planet Earth
Apr 11, 2011
Are Aliens Living On Planets Inside Black Holes?
Maybe that’s why we can’t seem to find them
Jan 14, 2011
At 6.6 Billion Suns, The Largest Black Hole Ever Measured Could Swallow Our Solar System
A universal heavyweight champion was crowned this morning at the 217th meeting of the American Astronomical Society in Seattle: A...
Sep 27, 2010
Long Theorized, Hawking Radiation Has Now Been Observed For The First Time
More than 30 years after Stephen Hawking predicted the existence of radiation emitted by black holes, physicists say they’ve finally...
Mar 11, 2008
Black Holes
Using just a length of fiber optic cable, scientists hope to recreate one of black holes' most salient properties
