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Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by harboring symbiotic bacteria ...
About 4.5 billion years ago, a small planet smashed into the young Earth, flinging molten rock into space. Slowly, the debris coalesced, cooled and solidified, forming our moon. This scenario of how the Earth's moon came ...
US space scientists on Thursday unveiled the interplanetary probe NASA plans to send to one of Jupiter's icy moons as part of humanity's hunt for extra-terrestrial life.
When Reina Cervantes Trejo heard the truck, gears grinding as it climbed the street to her house, she rushed outside.
Like boulders, rocks, and pebbles scattered across a landscape, asteroids come in a wide range of sizes. Cataloging asteroids in space is tricky because they are faint and they don't stop to be photographed as they zip along ...
In a finding with implications for the search for extraterrestrial life, researchers have discovered microbial life 13 feet below Earth's most inhospitable desert. The research is published in the journal PNAS Nexus.
In less than six months, NASA is set to launch Europa Clipper on a 1.6-billion-mile (2.6-billion-kilometer) voyage to Jupiter's ocean moon Europa. From the wild vibrations of the rocket ride to the intense heat and cold of ...
The 24th sample taken by the six-wheeled scientist offers new clues about Jezero Crater and the lake it may have once held.
NASA wants to come up with an out-of-this-world way to keep track of time, putting the moon on its own souped-up clock.
ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.
