Mysterious “leopard spots” on a Martian rock could be evidence of extraterrestrial life—or of mere lifeless chemistry.
With their jagged grooves and round dimples, these grainy grey images could be mistaken for the surface of the moon. But they actually show a much more distant member of our solar system – Mars.
Missions to explore other worlds, like Mars or Saturn’s moon Titan, could disrupt or destroy extraterrestrial life in the ...
If life exists on alien worlds, scientists expect that the worlds in question would have certain basic properties. There would be carbon, an element essential to the creation of organic molecules.
Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different kinds of life on other planets? – Henry, age 13, Somerville ...
The James Webb Space Telescope has detected what could be distinct signs of life on a “potentially habitable” world nearly 50 million lightyears away. Researchers from the Universities of ...
The next CHAPEA mission is slated for spring of 2025. For over a year, four crew members participating in NASA's Mars Dune Alpha simulated experience communicated, ate, slept and researched as if ...
China's rise is one of the biggest spaceflight stories of the past 25 years. In 2003, it became the third nation to launch ...