NASA's James Webb Space Telescope is ready to begin its epic science mission
The powerful eyes of NASA's James Webb Space Telescope are now fully open and ready to observe the cosmos.
Search for Life
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NASA's Mars Life Explorer mission would dig deep to hunt for Red Planet life
A NASA concept mission called Mars Life Explorer would dig into Red Planet ice, hunting for signs of living organisms.
Mars spacecraft may have to dig deeper than thought to find traces of life
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.
NASA's Europa Clipper may crash into Ganymede, the largest moon in the solar system, at mission's end
The Europa Clipper mission, due to launch in 2024, was originally supposed to crash into Jupiter, but there's been a change of plans.
Extreme microbes in salty Arctic water could aid search for life on Mars
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.
On alien worlds, exotic form of ice may transport nutrients to hidden oceans
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.
China's 'alien' signal almost certainly came from humans, project researcher says
Despite the false alarm, SETI researchers are still pretty sure we're not alone in the universe.
Did China just detect signals from an alien civilization?
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.
Perseverance Mars rover spots weird snake-head rock and balancing boulder (photo)
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.
Wobbly jets of binary star systems may affect chances of hosting life
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.
4 hostile alien civilizations may lurk in the Milky Way, a new study suggests
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.
China proposes alien planet mission to hunt habitable worlds by scanning wobbling stars
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.
Imagining early Earth as an exoplanet can help us search for alien life, scientists say
What if we thought of our ancestors as a form of alien life?
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.
What's next for UFO studies after landmark congressional hearing?
Tuesday's (May 17) event was the first open congressional hearing about UFOs in more than 50 years.
Congress holding UFO hearing today: How to watch live (and what to expect)
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.
US military taking 'all hands on deck' approach to understanding UFOs
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).
