Bitcoin breaks October streak with first monthly loss since 2018 Bitcoin on Friday was on track for a monthly loss in October for the first time since 2018, snapping a seven-year streak of gains that ...

On Dec. 13, 2012, a Chinese spacecraft flew by the asteroid Toutatis. Chang'e 2 launched in 2010 and was originally a lunar orbiter that China launched as part of a three-phase lunar exploration ...

The phenomenon has delighted and terrified humanity through the ages. Learn about the three different types, what causes them, and how ancient cultures interpreted them. A long exposure telephoto ...