Glaciers that still exist on the surface of Mars are helping to tell the story of its past.

Glaciers that still exist on the surface of Mars are helping to tell the story of its past.
Former NASA administrator Jim Bridenstine spent his last days in office courting support for the Artemis program before handing it off to President Joe Biden, whose focus on other priorities makes the Moon program’s future uncertain.
Researchers at MIT have developed a new method for growing plant tissues in a lab — sort of like how companies and researchers are approaching lab-grown meat. The process would be able to produce wood and fibre in a lab environment, and researchers have alrea…
Ancient fragments of the Earth's crust acted as 'seeds' for new crust to grow from.
Elon Musk's company is now offering early public access to its Starlink satellite internet service in Canada and the U.K.
Physicist Pekka Janhunen with the Finnish Meteorological Institute has developed a novel idea to colonize a place other than the Earth—and it is not the moon or Mars. Instead, Janhunen is suggesting in a paper posted on the arXiv preprint server that humans p…
Pulsed lasers repeatedly emit light for a short period of time as if blinking. They have the advantage of focusing more energy than a continuous wave laser, whose intensity is kept unchanged over time. If digital signals are loaded in a pulsed laser, each pul…
Experts, long puzzled by how butterflies fly, have found that the insects "clap" their wings together -- and their wings are perfectly evolved for better propulsion.
Before mating, the male and female Springbok mantis wrestle in a violent struggle - and if the male loses, it gets eaten by the female.
The heat-seeking probe won't reach its target depth.