About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.
"Time is on our side." Researcher accidentally discovers material that's stronger and cheaper than concrete — and its ...
Death Valley gets all the headlines. Lowest point in North America, hottest place on Earth, that whole dramatic mythos of a landscape so hostile it earned its name from gold rush pioneers who barely ...