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Credit: Nelson Parker The last complete reversal of the Earth's magnetic field, the so-called Laschamps event, took place 42,000 years ago. Radiocarbon analyses of the remains of kauri trees from New Zealand now make it possible for the first time to precisely time and analyse this event and its associated effects, as well as to calibrate geological archives such as sediment and ice cores from this period. Simulations based on this show that the strong reduction of the magnetic field had considerable effects in the Earth's atmosphere. This is shown by an international team led by Chris Turney...

 E-Mail In the search for planets capable of sustaining life, an international research team with members from ETH has taken a significant step forward. As the researchers reported recently in the journal Nature Communications, they found signs of a Neptune-sized planet in the Alpha Centauri star system, a mere 4.4 light years away from Earth. This exoplanet is located in a zone that may offer suitable conditions for life. The team was able to collect data with unprecedented sensitivity, thus registering even very weak signals. Earth is a disruptive factor Thanks to the new process, the res...

Credit: NASA, Tallahassee Community College February 17, 2021, Mountain View, CA -- The SETI Institute announces its new NASA Community College Network (NCCN). This innovative program will bring NASA subject matter experts, research findings, and educational resources into the science classrooms of the nation's community college system which, with nearly 1,200 2-year, associate degree-granting institutions represents 12 million students. "NASA's Science Activation program brings the unmatched STEM resources of NASA to schools, libraries and communities across the United States.," said Dr. Si...

 E-Mail IMAGE: CRIRES+ (CRyogenic high-resolution InfraRed Echelle Spectrograph+) is an instrument installed on ESO's Very Large Telescope (VLT) that is designed to search for potentially habitable super-Earth exoplanets. The instrument, which saw... view more  Credit: ESO The astronomy research instrument CRIRES+ is designed to study planets outside our solar system. It is now in operation at the Very Large Telescope (VLT) of the European Southern Observatory (ESO). The Institute of Astrophysics at the University of Göttingen is part of the international research consortium that b...

 E-Mail IMAGE: The newly discovered TOI 451 planetary system features three planets orbiting the same sun. view more  Credit: Illustration courtesy of NASA/Goddard Space Flight Center HANOVER, N.H. - February 12, 2021 - A newly discovered planetary system will provide researchers with the rare chance to study a group of growing planets, according to research co-led by Dartmouth. The new system, named TOI 451, is made up of at least three neighboring planets that orbit the same sun. The planets range in size between that of Earth and Neptune. According to the research team, NASA's H...