Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but they came close enough to leave a permanent mark on the thin mist of gas that ...
Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...
Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. Chevron reacts to Trump's Venezuela plan Wisconsin judge convicted of obstructing arrest of immigrant resigns ...