The proof’s in the poop: Austrians have loved beer, blue cheese for 2,700 years

In 1965, 4 years before the Moon landing, the Mariner 4 Mars flyby crushed fantasies but began Mars exploration. Many hoped for pictures of life on Mars. Mariner 4 revealed a desert covered with craters much like the Moon. The photos captured a curious world’s attention, and showed we are alone.

Russian film crew returns to Earth from space station today. Here's how to watch online.

NASA's asteroid hunter Lucy soars into sky with diamonds