A new Mars Rover image captured by NASA's Curiosity mission has reignited debate over whether unusual formations on the Red ...

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

The NASA Opportunity Rover has once again sparked fascination after one of its older images resurfaced online, reigniting speculation about unusual objects scattered across the surface of Mars. While ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Deep beneath the Atlantic, an alien-like lost city of towering chimneys offers clues to life on Earth and other worlds.

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a fresh vantage on a rare visitor. In July 2025, telescopes spotted 3I/ATLAS—only ...