That fresh smell after rain is called petrichor.
When raindrops hit dry soil, they release plant oils and geosmin from bacteria, creating that rich, earthy scent.
This iconic 1984 photo is often called one of the most terrifying space images ever.
During STS-41-B on Space Shuttle Challenger, astronaut Bruce McCandless II became the first person to perform an untethered spacewalk.
While two astronauts carry on with their tasks aboard the station, a satellite lifts off from Earth below—creating a breathtaking view that’s hard to forget.
A colossal 30,000-kilometer-wide hexagon crowns Saturn’s north pole, spinning counterclockwise once every 10 hours and 40 minutes—and astonishingly, this perfectly shaped storm has been raging for over 40 years.