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 E-Mail IMAGE: An illustration of early Earth, as it would have looked around 4 billion years ago view more  Credit: Lucy Entwisle Lightning strikes were just as important as meteorites in creating the perfect conditions for life to emerge on Earth, geologists say. Minerals delivered to Earth in meteorites more than 4 billion years ago have long been advocated as key ingredients for the development of life on our planet. Scientists believed minimal amounts of these minerals were also brought to early Earth through billions of lightning strikes. But now researchers from the Univer...

In a comment published today in Nature Astronomy, Dr. Nathalie Cabrol, Director of the Carl Sagan Center for Research at the SETI Institute, challenges assumptions about the possibility of modern life on Mars held by many in the scientific community. Cabrol theorizes that not only life could still be present on Mars today, but it could also be much more widespread and accessible than previously believed.

A new study by University of Chicago and Stanford University researchers suggests that hot, rocky exoplanets could not only develop atmospheres full of water vapor, but keep them for long stretches.

Credit: Pavel Odinev (Skoltech) Researchers from Skoltech and the Massachusetts Institute of Technology have analyzed several dozen options to pick the best one in terms of performance and costs for the 'last mile' of a future mission to the Moon - actually delivering astronauts to the lunar surface and back up to the safety of the orbiting lunar station. The paper was published in the journal Acta Astronautica. Ever since December 1972, when the crew of Apollo 17 left the lunar surface, humans have been eager to return to the Moon. In 2017, the US government launched the Artemis program, wh...

Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomical events.