When the world's first flower sprouted about 140 million years ago, it was bisexual, possessing both male and female reproductive parts, according to the researchers who virtually reconstructed the blossom in a new study.
A spectacular outburst of jet lightning, also known as "gigantic jets," was captured by the Gemini Observatory’s cloud camera on Mauna Kea in Hawaii on July 24, 2017.
During the total solar eclipse on Aug. 21, skywatchers will direct most of their attention to the sun, but don't forget about the moon: Its slow progress away from Earth means these celestial events won't keep happening forever.