Earth will get a second moon for ... will have negative geocentric energy, meaning it can't escape Earth's gravitational pull ...

A partial solar eclipse on Saturday will make it look as though the moon has taken a bite out of the sun over parts of the world. The celestial event comes just two weeks after a lunar eclipse created ...

Blue Ghost — named after a rare U.S. species of fireflies — had its size and shape going for it ... carried 10 experiments to the moon for NASA. The space agency paid $101 million for the ...