Cassini took the clearest images yet of Saturn's mini-moon Daphnis, shedding light on ring structure and behavior.
On Friday night, the Air Force launched the latest member of a satellite network designed to spot missile threats. How could it keep the US safe from missile attack?
The British Antarctic Survey has decided to close the Halley VI Research Station as a large ice crack approaches the facility.
The latest discovery could serve as evidence that Mars used to experience wetter conditions followed by drying periods.
New species are often named after famous people. This moth has a hairstyle that resembles the famous hairdo of President-elect Trump.
In a switch that could help save her species, Leonie, a zebra shark at Australia's Reef HQ Aquarium, has become the first shark observed shifting from sexual to asexual reproduction, hatching three eggs containing offspring that carry only her DNA.
Researchers at the University of Manchester hope their chemically produced, three-strand molecular knot will some day form the foundation for very light and strong materials.
Eugene Cernan, who in 1972 was the most recent man to set foot on the moon as part of the Apollo 17 mission, died on Monday.
At 90 miles and counting, the Larsen C ice shelf crack just keeps growing. Could studying this unusual crack predict future ice movements?
Following a communications failure, the Japan Aerospace Exploration Agency aborted its mini-rocket's mission. But demand is growing, and similar devices could be prominent features of space in the future.
A commercial race to the moon raises questions about extraterrestrial legal rights.
The company is hoping the planned launch will set the company's ambitious plans back on track after a devastating loss in September.