A scientist argued that a Viking lander experiment in 1976 detected microbial life on Mars and urged NASA to repeat the tests before future missions. We asked retired astronauts about their favorite ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

A fresh storm has erupted around NASA after a theoretical physicist claimed that the agency may be deliberately blurring ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

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 ...

Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds — decane, undecane, and ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Ancient shoreline features hint that water on Mars once formed a vast ocean. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

Add Yahoo as a preferred source to see more of our stories on Google. ‘Outnumbered’ discusses escalating ICE protests in Minnesota, DHS Secretary Kristi Noem’s warning to state leaders and President ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering ...

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Ancient shoreline features ...