Physics
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Ghostly Unseen “Mirror World” Might Be Cause of Cosmic Controversy With Hubble Constant
An unseen ‘mirror world’ of particles that interacts with our world only via gravity may be key to solving the…
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Astronomers Find “Gold Standard” Star in Milky Way With the Widest Range of Elements
The star HD 222925 is a ninth-magnitude star located toward the southern constellation Tucana. Credit: The STScI Digitized Sky Survey…
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Physicists Explain Mysterious “Discrete Aurora” on Mars
Researchers led by the University of Iowa have learned how a type of aurora on Mars is formed. In a…
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Mystery of Universe’s Expansion Rate: Hubble Data Shows That “Something Weird” Is Going On
A representation of the evolution of the universe over 13.77 billion years. The far left depicts the earliest moment we…
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This Week @NASA: Total Lunar Eclipse, Hunting Marsquakes, Boeing Starliner, and Supersonic X-Plane Mission
The next commercial crew test mission to the space station … Outlining the agency’s objectives for deep space exploration ….…
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Experiments Measure Freezing Point of Extraterrestrial Oceans To Aid Search for Alien Life
The left panel’s gray and blue layers show the deep, ice-covered ocean on Europa, a moon of Jupiter that could…
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New Targets in Search for Extraterrestrial Life: Planets of Binary Stars As Homes for Alien Life
Simulation of binary star. Credit: From the scientific article by Jørgensen, Kuruwita et al. Nearly half of Sun-like stars are…
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Controversial Alternative Gravity Theory Revived by New Spin on Galaxy Rotation
Radio image of the neutral hydrogen gas in the galaxy AGC 114905. Its inclination is estimated from the black ellipse,…
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Innovative Diffractive Solar Sail Funded by NASA Could Take Science to Exciting New Destinations
Diffractive solar sails, depicted in this conceptual illustration, could enable missions to hard-to-reach places, like orbits over the Sun’s poles.…
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