The powerful eyes of NASA's James Webb Space Telescope are now fully open and ready to observe the cosmos.
A NASA concept mission called Mars Life Explorer would dig into Red Planet ice, hunting for signs of living organisms.
New research shows that certain protein-building amino acids that could be evidence of ancient life on Mars are more susceptible to radiation than scientists thought.
The Europa Clipper mission, due to launch in 2024, was originally supposed to crash into Jupiter, but there's been a change of plans.
Never-before-seen microbes living deep beneath the permafrost at one of the coldest and saltiest water springs on Earth could provide a blueprint for life on Mars.
Alien life in the deep global ocean of a water world could receive its nutrients through a shell of high-pressure ice around the planet's core.
Despite the false alarm, SETI researchers are still pretty sure we're not alone in the universe.
The internet is abuzz with rumors that China may have picked up signals from an alien civilization. But the pings are probably just Earthly interference, experts say.
On Sunday (June 12), the car-sized Perseverance Mars rover snapped a photo that could be mistaken for a still from an "Indiana Jones" movie.
Because Earth is the only planet known to host life as we know it, researchers have usually focused on planetary systems similar to our own when searching for extraterrestrial life.
New research calculates the odds that humans will contact a 'malicious' alien civilization that wants to invade our planet. Don't worry, the chances are incredibly small.
A proposed Chinese mission would look for nearby habitable alien worlds by launching a spacecraft to make ultraprecise measurements of how orbiting planets make a star wobble.
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.