Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

Scientists have finally discovered how amino acids essential for life formed on the 4.6-billion-year-old asteroid Bennu.

The Black Knight Satellite and the Unanswered Questions in Earth’s Orbit ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

This twist — that 3I/ATLAS' outer layers have been baked by the sun — does not derail our mission. It just makes the science ...

NASA faces backlash after a physicist claims Moon images are blurred to hide artificial alien structures, sparking fierce ...

Do Aliens Exist? This interesting question has kept the generations interested in the evidence of their existence on other ...

Astronomers identified a strange object in the Milky Way that sends out powerful bursts of radio waves and X-rays with steady ...

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

SpaceX will launch an advanced GPS satellite for the U.S. Space Force from Florida tonight (Jan. 26), and you can watch the action live. A Falcon 9 rocket carrying the GPS III-SV09 spacecraft is ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...