Former NASA astronaut Scott Kelly's historic one-year mission aboard the International Space Station made his identical twin Mark an even older brother, by about 5 milliseconds.
As the long-running Cassini mission enters its last year at Saturn, NASA is moving forward with an early-stage study to send a drone to its moon Titan.
The Perseids meteor shower arises out of the debris of Comet Swift-Tuttle, which last made a pass by Earth in 1992.
Moon Express, a Florida company developing commercial lunar landers, announced July 12 an agreement with the U.S. Air Force to take over a former Delta 2 launch site at Cape Canaveral.
Dark streaks on the surface of Mars may indicate that liquid water flows there today. A new study has revealed more detail about the changes these briny trails are causing on the Martian surface.
NASA satellites have captured a stunning image of a massive algal bloom that has overtaken Lake Okeechobee in Florida for more than two months.
Sierra Nevada Corp., who won one of three contracts from NASA in January to deliver cargo to the International Space Station, said July 11 that it is has completed the first milestone under that award.
Tiangong-1 is a single-module space station operated by the China National Space Administration.
For the first time, astronomers have caught a glimpse of the water snow line around a star — the point in the young star's orbiting disk of debris where snow and ice first appear.
The Atacama Large Millimeter/submillimeter Array (ALMA) captured imagery of the protoplanetary disk around young star V883 Orionis. Take a tour of the region with Nick Risinger's Sky Survey, the ALMA image and an artist impression. The Atacama Large
