Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

NASA has long maintained that it has found no credible evidence of extraterrestrial life, but a newly resurfaced image from Mars has reignited wild speculation. The photograph, captured by the ...