The latest portrait of Uranus showcases its rarely seen rings and moons.
NASA astronaut Frank Rubio spent upwards of 20 hours searching for a wayward tomato on the International Space Station to prove that he didn't eat it.
The space agency is having to develop new tools to crack open the canister containing bits from asteroid Bennu.
The year offered a roller coaster of emotions, from rocket explosions and Moon crashes, to record-setting launches and the discovery of a triple asteroid.
Data gathered by NASA's Cassini spacecraft has confirmed evidence of hydrogen cyanide on Enceladus—a molecule tied to the origin of life as we know it.
SpaceX rival Rocket Lab is ready for its latest Electron mission, targeting a launch window opening on Thursday, three months after a previous launch failure.
The famous spacecraft started transmitting a repeated pattern of ones and zeroes, and engineers are scrambling to find a solution.
Jeff Bezos' space company is targeting a Monday launch window for a cargo mission.
AstroForge is in a race against time to take control of its demo spacecraft after a series of setbacks.
Webb, Hubble, Keck, and other telescopes gave us unprecedented views of the cosmos this year.
The Psyche mission will examine a metal-rich asteroid believed to have once been a planetary building block.
A solar superstorm could cause a rail disaster, scientists warn.
A month after launch, the small satellites may be lost in space.
It will be a year filled with exploration, innovation, wonder—and no shortage of risk.
Launch of the Falcon Heavy is now set for Monday evening.
A tomato lost for eight months on the orbiting lab has been located, absolving astronaut Frank Rubio of playful allegations that he ate it.
In a rare cosmic event, an asteroid will eclipse Betelgeuse on December 11, causing a brief but significant disappearance of this bright, red star.
The NASA-funded refueling test would require the megarocket to reach new heights, as the space agency needs the technology for deep space missions.
The OSIRIS-REx mission narrowly avoided a parachute failure, with an investigation revealing the cause and stressing the need for clear instructions.
The next generation of world-exploring craft is being designed today.