The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

NASA and the U.S. Space Force have been tracking a one in 4,200 chance that remnants from spacecraft can survive re-entry and harm someone on Earth. (NASA.gov photo) ...

NASA has disqualified one of the two proposals for a large astrophysics mission, a decision the project’s leader blames on ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

The Van Allen probe, which studied how the Earth is protected from harmful space radiation, could fall to Earth tonight. Here’s what to know ...

NASA's Van Allen Probe A is expected to reenter Earth's atmosphere almost 14 years after launch. From 2012 to 2019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts, ...

NASA’s 1,323-pound Van Allen Probe A is expected to re-enter Earth’s atmosphere nearly 14 years after its launch.

A NASA probe tasked with gathering data on Earth’s radiation belts has run out of fuel and is set to reenter through the atmosphere on Tuesday. NASA’s Van Allen Probe A is expected to re-enter the ...

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

Avi Loeb, who challenged scientists on the true origin of 3I/ATLAS, reckons alien life form will make contact with us soon ...