The known universe requires black holes!

Models of star formation don't match true star number. Now we see how the black hole restrains news stars so everything adds up. More »

The importance of being Einstein

Experiment: Earth “drags” spacetime, as Einstein predicted. What else did Einstein get right? (Hint: Lots and lots!) More »

Could carbon storage help control warming? The oil industry already injects CO2 into rocks. Possible to capture CO2 from coal plants? More »

Infrared survey of Milky Way shows massive star formation. How could a supernova cause stars to start? More »

Existing nukes may not exhaust the possible nukes. What other weapons could appear on the nuclear shelf? More »