Astronomers have announced the discovery of several Earth-size planets orbiting a cool red dwarf star named Trappist-1 about 40 light…

Gerald D. Skoning teaches us in this morning’s lineup that there may be life on other planets in the universe…

Our space program shouldn’t be sending millions to Putin and his pals. One of the greatest benefits of a government of…

Pushed by a laser beam: Can Breakthrough Starshot reach Alpha Centauri? It’s called Breakthrough Starshot. It’s an ambitious name for a…