The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

WASHINGTON — NASA has provided new details about its plans to procure a Mars communications orbiter funded under last year’s budget reconciliation bill as companies continue positioning themselves to ...

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 ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

Military equipment is visible from the entrance to Area 51, a secretive U.S. military base believed by UFO enthusiasts to hold government secrets about extra-terrestrials, in Rachel, Nev., Sept. 19, ...

new video loaded: Trump Says He’ll Release Alien and U.F.O. Files transcript “Are aliens real?” “They’re real, but I haven’t seen them. And, they’re not being kept in, what is it?” “Area 51.” “Area 51 ...

It’s been a big week for aliens in Washington. In a podcast that aired last weekend, former President Obama revealed that he believes in extraterrestrial life. Days later, President Trump declared ...

In last week’s The Universe column, I fielded a reader’s question about galaxy collisions in an expanding universe. The answer deals with vast distances, inscrutable forces and the ultimate fate of ...

On Thursday U.S. president Donald Trump announced on his social media platform Truth Social that he would direct the Department of Defense and other federal agencies to “begin the process of ...

President Donald Trump said Thursday that he was directing agencies to release files pertaining to “alien and extraterrestrial life.” Trump wrote on Truth Social that “based on the tremendous interest ...