A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.
The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...
A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...
Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...
Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...
A private rocket mission aims to boost NASA’s Swift telescope before its orbit decays, extending its hunt for gamma-ray ...
Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
The Pegasus XL is an air-launched vehicle. It releases from a modified commercial airliner at about 39,000 feet, then ignites ...
If you opened X this week, you may have seen President Donald Trump apparently chatting with two very tall, very pale, platinum-blonde figures in red uniforms, and you may have seen thousands of ...