Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers have so far identified over 6,000 exoplanets beyond our solar system, only a ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond our planet.

" Project Hail Mary ", the new movie based on author Andy Weir's book of the same name, is a wild romp through the cosmos.

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

In the spring of 1967, a series of unusual sightings began to grip the Soviet Union. From the rural landscapes of Ukraine to the robust Caucasus Mountains, thousands of citizens reported seeing ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens — with screensavers.

On February 23, 1990, NASA's Pioneer 11 spacecraft left the solar system! This was the second spacecraft to travel beyond the planetary part of our solar system, which ends at Neptune's orbit. An ...

President Donald Trump said Thursday he will direct multiple U.S. government agencies to declassify files related to aliens and UFOs. The move came five days after former President Barack Obama ...

Astroscale’s Provisioner refueling vehicle was tested last year at NASA Goddard Space Flight Center. The purple piece is the OrbitFab GRIP interface. Credit: Astroscale U.S. WASHINGTON — As it plans ...

Trump directs release of new alien, UAP files Rep. Dan Crenshaw, R-Texas, joins ‘Fox News Live’ to discuss President Donald Trump’s decision to have the Pentagon release government files on alien life ...