The ambitious Laser Interferometer Space Antenna, a casualty of tightening budgets, could rise again
The current census of middleweight black holes is incomplete in many ways. Additional studies will push astrophysicists' understanding of and search for middleweights in new directions
Tipping the scales at less than about a million suns in mass, middleweight black holes may hold clues to how their much larger siblings, and galaxies, first formed
An expert on Lou Gehrig's disease explains what we know about this debilitating condition and how Hawking has beaten the odds
A new biography of Stephen Hawking by long-time acquaintance Kitty Ferguson explores the famous physicist's life and theories in honor of his 70th birthday
The Milky Way seems to have too few galactic hangers-on, except when it comes to the big ones. What gives?
Tsunami-damaged nuclear reactors, Twitter-fueled political uprisings, a possible violation of Einsteinian physics--these and other highlights defined this year in science and technology
The supermassive black hole at our galaxy's center may be about to shred and consume a cloud of gas and dust the size of a planet
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