UFOs and aliens: What presidents know, but won’t say, about them

For decades, presidents have presumably been privy to whatever information exists about UFOs and the existence of extraterrestrial life collected by the government. But so far, none of them have actually spilled the beans once they left office.

Full 'Strawberry Moon' welcomes first day of summer

The full Strawberry Moon on June 21 will appear extremely low on the horizon, the lowest Moon of the year. June's full Moon also happens a day after summer solstice, the longest day of the year and the official start of astronomical summer.

William Anders: The astronaut who captured the famous 'Earthrise' photo

Retired astronaut William Anders, who passed away in a plane crash on Friday, captured the iconic "Earthrise" photo during the Apollo 8 mission on December 24, 1968, providing a new perspective on Earth's beauty and fragility and becoming a symbol of the environmental movement.