Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Americans’ opinion of space exploration is pretty high.

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

Earth" brought a shipload of xenomorphs and other space horrors, but hybrids may be the biggest mystery of the show so far.

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

3I/ATLAS interstellar comet or alien spacecraft? This question gained attention after NASA released new images of comet 3I/ATLAS on 18 December. The images were captured by the Europa Clipper ...

Add Yahoo as a preferred source to see more of our stories on Google. Mockup of an alien spacecraft former Area 51 physicist Bob Lazar says he worked on in the S4 building at Area 51. Courtesy of ...

Space scientists have released a new image of the enigmatic space rock that traveled through our solar system. Researchers revealed the photograph shows the interstellar Comet 3I/ATLAS - speculated to ...

In the first installment of this multipart interview series with former Area 51 employee Bob Lazar, we discuss his new S4 ...

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

Lazar compares the technology he worked on with taking a small working nuclear reactor and dropping it off in Victorian times. This voice experience is generated by AI. Learn more. This voice ...