With 12 seasons and 279 episodes to choose from, The Big Bang Theory star Johnny Galecki's five favorites are some of his ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

Israel's security cabinet is meeting to approve the ceasefire and hostage release deal with Hamas in Gaza. Should the cabinet ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

The “ghost towns,” named Sculptor A, B, and C, consist of three faint and ultra-faint galaxies about 6.5 million light-years ...