Zodiac signs and horoscopes for today’s birthday and Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic spacecraft orbiting the red planet turned to take a look.

From deep-sea vents on Earth to frozen methane lakes on Titan, scientists are finding more parallels between alien worlds and ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...

NASA is gutting the Jet Propulsion Laboratory -- the storied research center that oversees all the agency's Mars rovers.

This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

Interstellar comet 3I/ATLAS, a 7.5-billion-year-old visitor from the early galaxy, is offering scientists a rare glimpse into ...

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists recreated these eerie, worm-like movements under Martian conditions. The ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy coma. Researchers are studying the data to learn more about this rare ...

NASA's Artemis program is set to explore the Moon's south pole, a region of perpetual darkness holding clues to the solar ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.