Humans could become a truly interplanetary species within 200 years, physicists claim
Harness renewable energy to explore the cosmos or risk planetary doom, new physics study argues.
Harness renewable energy to explore the cosmos or risk planetary doom, new physics study argues.
Tuesday's (May 17) event was the first open congressional hearing about UFOs in more than 50 years.
The U.S. Congress will hold a public hearing tomorrow (May 17) on reports of unidentified aerial phenomena (UAP) skirting through our skies, and you can watch it live.
The U.S. military aims to more systematically classify and characterize reports of unidentified aerial phenomena (UAP), officials said during a congressional hearing on Tuesday (May 17).
Microorganisms living on a large slab of ancient seafloor in the Persian Gulf may reveal clues about life on other planets.
Hauling to Earth samples of Mars that might contain Red Planet life is deemed a low risk affair in terms of ecological and public safety — but that risk is not zero.
Liquid water once shaped the rock inside a meteorite from Mars, but likely did not support any microbial life, a new study finds.
NASA is asking the public to comment on an environmental assessment for its Mars sample return effort.
A radio signal designed to bring Earth's climate crisis to the attention of alien life will be beamed to the TRAPPIST-1 planetary system in October.
China could soon begin its first space-based hunt for exoplanets.
Scientists suggest that one of the key characteristics of a life-supporting, rocky exoplanet is that it needs to be young enough to generate heat through radioactive decay.
The current definition of habitable zone only examines the amount of sunlight reaching a planet. It may be time to question that definition.
Mars, the moon and asteroids will get a deeper look from these spacecraft with eight NASA mission extensions.
New meteorite research suggests that cosmic impacts might have helped deliver vital ingredients of life to ancient Earth.
It took 30 years to find so many alien worlds, but the pace of discovery is accelerating.
The tiny Mars moon Phobos looms large on the sun's face in dramatic eclipse footage captured by NASA's Perseverance rover.
Perseverance just reached the remains of an ancient Red Planet river delta, a set of layered rocks that has long been the life-hunting rover's main science target.
More than 200,000 Facebook users say they're interested in joining a raid on Nevada's infamous Area 51 air base this summer.