On April 19, 1971, the Soviet Union launched the world's first space station, Salyut 1. See how it happened in our "On This Day In Space" series!
The first helicopter is expected to attempt the first-ever flight on Mars on Monday (April 19), with NASA unveiling the results a day later, and you can follow it all online.
The United Arab Emirates' robotic Rashid moon rover will be delivered to the lunar surface in 2022 by HAKUTO-R, a lander built by the Japanese company ispace.
The famous equation used to search for alien civilizations has now inspired a new formula to hunt for alien artifacts within our solar system.
The Lyrid meteor shower peaks on Thursday morning (April 22), the first good meteor shower in nearly four months, although a bright moon could interfere.
In late April, skywatchers in the Northern Hemisphere will get a view of the Lyrid meteor shower, the dusty trail of a comet with a centuries-long orbit around the sun.
Actor Casey W. Johnson says that one of the most enjoyable things about being on the series has been "the family dynamic."