A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Images: NASA These are the voyages of the space shuttle Enterprise, boldly renamed by former President Gerald Ford after a massive letter-writing campaign from Star Trek fans. In 1974 ...