TESS finds its first Earth-sized planet

Artist's conception of HD 21749c, the first Earth-sized planet found by NASA's Transiting Exoplanets Survey Satellite (TESS), as well as its sibling, HD 21749b, a warm sub-Neptune-sized world.

A nearby system hosts the first Earth-sized planet discovered by NASA's Transiting Exoplanets Survey Satellite, as well as a warm sub-Neptune-sized world, according to a new paper from a team of astronomers that includes Carnegie's Johanna Teske, Paul Butler, Steve Shectman, Jeff Crane, and Sharon Wang.Their work is published in

Physicists Keep Attempting– and Failing– to Discover Dark Matter in Dark Places

The stellar center as seen from the ESO La Silla Paranal Observatory in Northern Chile.

Researchers began viewing crystals shimmer in the 1990 s. Those crystals sparkled more in the summer season, which scientists took as proof of dark matter. However those researchers were most likely incorrect, brand-new research study recommends.Researchers have great factor to think that dark matter exists— that there’s some hidden

Scientists detect biggest known black-hole collision

Artist's impression of two black holes merging.

An international team of scientists have detected ripples in space and time, known as gravitational waves, from the biggest known black-hole collision that formed a new black hole about 80 times larger than the Sun – and from another three black-hole mergers.The Australian National University (ANU) is playing a lead

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