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 E-Mail IMAGE: The new Test-Bed Telescope 2, a European Space Agency telescope, is housed inside the shiny white dome shown in this picture, at ESO's La Silla Observatory in Chile. The telescope... view more  Credit: I. Saviane/ESO Part of the world-wide effort to scan and identify near-Earth objects, the European Space Agency's Test-Bed Telescope 2 (TBT2), a technology demonstrator hosted at ESO's La Silla Observatory in Chile, has now started operating. Working alongside its northern-hemisphere partner telescope, TBT2 will keep a close eye on the sky for asteroids that could pose ...

 E-Mail IMAGE: This artist's concept shows the planned flight path of NASA's OSIRIS-REx spacecraft during its final flyby of asteroid Bennu, which is scheduled for April 7. view more  Credit: Credits: NASA/Goddard/University of Arizona NASA's OSIRIS-REx mission is on the brink of discovering the extent of the mess it made on asteroid Bennu's surface during last fall's sample collection event. On Apr. 7, the OSIRIS-REx spacecraft will get one last close encounter with Bennu as it performs a final flyover to capture images of the asteroid's surface. While performing the flyover, the s...

 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...

 E-Mail IMAGE: An infrared image of the dust clouds in the Cocoon region taken with the Spitzers Space Telescope's IR photometer. The HAWC TeV gamma-ray excess (color from green to yellow to... view more  Credit: TeV: Binita Hona (HAWC Collaboration), IR: Hora et. al, Spitzer's Growing Legacy, ASP Conference Series, 2010, P. Ogle, ed. LOS ALAMOS, N.M., March 11, 2021--A long-time question in astrophysics appears to finally be answered, thanks to a collection of large, high-tech water tanks on a mountainside in Mexico. The High-Altitude Water Cherenkov (HAWC) data shows that the hig...

 E-Mail The planet Mars has no global magnetic field, although scientists believe it did have one at some point in the past. Previous studies suggest that when Mars' global magnetic field was present, it was approximately the same strength as Earth's current field. Surprisingly, instruments from past Mars missions, both orbiters and landers, have spotted patches on the planet's surface that are strongly magnetized--a property that could not have been produced by a magnetic field similar to Earth's, assuming the rocks on both planets are similar. Ahmed AlHantoobi, an intern working with Nort...