The best-selling astronomy magazine
If a black-hole-orbiting planet like Interstellar's Gargantua really exists, could life survive there?
Smacking an asteroid with a bomb or a smaller asteroid should shatter it into manageable pieces, right? Wrong.
A prototype "lunar oxygen plant" is testing a method for extracting oxygen from imitation Moon rocks.
Earth reaches perihelion, the closest point to the Sun during its year-long orbit, at midnight EST tonight. The two then lie 91.4 million miles (147.1 million kilometers) apart.
A Hubble Space Telescope discovery could help astronomers find out if supermassive black holes really can collide.