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

Researchers had only hypothesized the existence of underground lava tubes on Venus —until now.

NASA’s Curiosity rover has found the largest organic molecules ever detected on Mars. The discovery was made in 3.7-billion-year-old rocks inside Gale Crater. These molecules show that ancient Mars ...

Lava tubes aren't new to our solar system; they've hinted at volcanic pasts on Mars and the Moon. But spotting them ...

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments simulating interstellar space show that simple amino acids can link into peptides, ...

Scientists have finally discovered how amino acids essential for life formed on the 4.6-billion-year-old asteroid Bennu.

A recent study points to an exciting possibility: that Uranus's moon Miranda, located in the far reaches of our solar system, may harbor a hidden ocean and life.

Volcanic caves are not just an Earth thing. Scientists have spotted signs of lava tubes on the Moon and Mars. Now, ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Scientists have found out why some auroras form pronounced wave-like and arc-shaped structures. According to a study ...

A new image from the NASA/ESA Hubble Space Telescope reveals for the first time the delicate interplay of cosmic dust and stellar winds in the Egg Nebula, a bipolar protoplanetary nebula within the ...

In a new study, researchers say that nonbiological sources they considered could not fully account for the abundance of ...