The Phillies have acted like a team seeking change all offseason — pursuing trades and engaging free agents in the quest to shake up a roster that won a division title but again fell short in October.

Brian Resnick was Vox’s science and health editor and is the co-creator of Unexplainable, Vox’s podcast about unanswered questions in science. When NASA launched the Kepler Space Telescope in 2009, ...

On Feb. 22, astronomers announced that the ultra-cool dwarf star, TRAPPIST-1, hosts a total of seven Earth-size planets that are likely rocky, a discovery made by NASA’s Spitzer Space Telescope in ...

The discovery of a strange new world about the size of Earth's moon has shattered the record for the smallest known alien planet, scientists say. The newfound alien planet Kepler-37b is the first ...

Rick Kepler (from right) poses for a photo with Canadian playing partner Craig Hiddleston, and semifinal opponents Robert Sjoholm and Gordon Hammond at the Level 2 Wilson World Tennis Classic in Palm ...