Scientists finally solved the mystery of 'Oumuamua. The first known interstellar space rock, which hurtled past the sun in 2017, now has a confirmed identity as a comet, despite its flat and tailless appearance.
Once again, NASA delays the launch of cutting-edge James Webb Space Telescope following the recommendations of an independent review board that called out technical issues and human error in the observatory's development.
SpaceX landed another classified military space mission contract with its most powerful rocket up to date, the Falcon Heavy. The rocket is set to launch in 2020 carrying an Air Force satellite.
Aliens might be out there, and if they are, NASA wants to find them. The NExSS project releases a series of papers to help scientists who are hunting for extraterrestrial life in far-flung planets.
Elon Musk says new research saying humanity is alone in the universe makes interplanetary colonization much more important. The SpaceX CEO is working to get a human civilization on Mars.
It almost looks like a post-Impressionist painting, but this image is actually a photo of Jupiter. As it makes its 13th close flyby of the gas giant, Juno captures the swirling clouds of the planet rippling over the surface.
Japan's spacecraft Hayabusa2 is getting close to its destination: the carbon-rich asteroid Ryugu that turns out to be shaped like the gem flourite. At this distance, the space rock's peaks and craters are tantalizingly clear.
A new study answers the famous Fermi Paradox bluntly, saying intelligent life outside of Earth likely does not exist. The scientists say that humans are probably alone, so don't be surprised that aliens haven't come knocking.
A field of stunning blue dunes appeared on Mars, catching the eye of the Mars Reconnaissance Orbiter. The strange hue and different composition of this new discovery stands out starkly on the Red Planet's surface.
The Martian dust storm continues to rage, now swallowing up the entire planet and keeping the Opportunity rover silent and out of reach. Unfortunately, this gigantic storm shows no signs of stopping soon.
A new study dashes the hopes of alien enthusiasts as a supposed UFO crash site on Mars turns out to be just an especially strange natural rock formation born out of explosive volcanic eruptions and billions of years of erosion.
The Trump administration is spearheading the creation of Space Force, a new branch of the military that's designed to take over operations outside of Earth. Not everyone is happy about it, but the president is determined to get it done.
Mars will be incredibly bright in July and August, venturing closer to Earth than it has been in 15 years. The Red Planet will be visible to sky watchers around the world even to the naked eye.
Scientists' decades-long observations of a supermassive black hole eating a star marked the first time they were able to see the aftermath of the phenomenon: a jetstream visible only in infrared and radio wavelengths.
Laura Cicco goes up against NASA, filing a case against the space agency to keep it away from the moon dust given to her by Neil Armstrong. The iconic astronaut was allegedly friends with Cicco's late father.