Space
Astronomers Tiptoe Closer to Confirming First Exomoon
Signals seen by the Hubble Space Telescope suggest a Neptune-size moon may orbit a gas-giant planet around a star some 8,000 light-years from Earth
Features
Space
The Quest to Conquer Earth's Space Junk Problem
Zombie satellites, rocket shards and collision debris are creating major traffic risks in orbits around the planet. Researchers are working to reduce the threats posed by more than 20,000 objects in space...
Physics
The Human Eye Could Help Test Quantum Mechanics
Experiments to confirm we can see single photons offer new ways to probe our understanding of quantum reality
Space
Beyond the Shadow of a Doubt, Water Ice Exists on the Moon
Deposited in perpetually dark craters around the poles, the ice could be a boon for future crewed lunar outposts
Departments
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A Universe of Possibilities
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Search for Alien Life Should Be a Fundamental Part of NASA, New Report Urges
India’s “Vyomanauts” Seek to Join the Elite Club of Spacefaring Nations by 2022
Reimagining of Schrödinger's Cat Breaks Quantum Mechanics—and Stumps Physicists
"Optical Tweezers" and Tools Used for Laser Eye Surgery Snag Physics Nobel
- Sky Report
Celestial Movement
- Opinion
What Does Quantum Theory Actually Tell Us about Reality?
Will Pluto Be the Last Habitable World?
Einstein's Famous "God Letter" Is Up for Auction
