Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

The odd pyramid-like structure found in the largest canyon network in the solar system has sparked theories the Red planet was once inhabited by an ancient civilisation ...

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

Alien: Earth creator’s genius 5-part crime series returns to the global streaming charts 12 years after airing.

A new White House URL is out of this world (wide web). The eyebrow-raising domain name — “Aliens.gov” — has been added to the ...

By plying its ground-penetrating radar in the depths of Mars’s Jezero Crater, this rover has found even older deltas buried beneath those seen on the surface from space ...

The Perseverance rover has found tiny crystals that seem to be rubies or sapphires inside pebbles on Mars, where they have ...

For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

Greek mythology has given a name to a great many objects in our solar system. But perhaps one of the least well understood ...

A massive crater on asteroid Psyche may hold the key to whether it’s a lost planet’s core or something more complex. New simulations suggest NASA’s upcoming mission could finally solve the mystery.