Carl Sagan first detected such flashes in 1993, and now scientists have finally solved the mystery.
Space dirt and rocks could be the next great commodity.
This exoplanet has an primordial atmosphere consisting of strong water atmosphere and is relatively clear of clouds.
Water and water vapor in the primitive atmosphere could reveal a lot about the formation and development of planets.
NASA revealed a stunning image of a Crab Nebula, a remnant of a supernova explosion. The image was from combined data of many different instruments.
NASA may conduct a yearlong manned mission to the moon before its scheduled Journey to Mars in 2030. The lunar mission will test equipment and technology intended to be used for the red planet.
NASA Cassini spotted bands of bright lights across the surface of Titan. The lights are apparently methane clouds that are rarely seen on the surface of the moon.
Like creamer being stirred in coffee, hot gas swirls around in this galaxy cluster for millions of years.
There's a star system nearby that could be a glimpse in the ancient past.
Shipwreck experts chasing a map made from space stumbled on a centuries-old anchor linked to America's most celebrated explorer.
NASA's Cassini spacecraft tried to protect itself from debris during its dive, however, it turned out that the region is dust-free. During the dive, instruments aboard the spacecraft also recorded the sound during the dive.
NASA"s most powerful rocket won't be flying its maiden flight on 2018. This is after GAO reported that there is very little time to prepare for the first flight given the difficulties the mission is facing.
NASA's Cassini spacecraft has successfully finished its first dive through Saturn and its rings on April 26, 2017. The spacecraft released stunning up-close pictures of Saturn including what looks like a dark giant hurricane.
China and ESA are discussing a potential collaboration to build a lunar outpost or a moon village. Both countries have already expressed their intent to develop technologies.