Possible Third Planet Spotted around Proxima Centauri, Our Sun’s Nearest Neighbor Star
Proxima d might be only a quarter the mass of Earth, potentially making it one of the smallest worlds yet discovered beyond our solar system
Big Questions about Space, Time, Neandertals, Psychedelics and Reality
Why salamanders are so strange, why people jump to conclusions, and more in our February 2022 issue
How Measuring Time Shaped History
From Neolithic constructions to atomic clocks, how humans measure time reveals what we value most
Webb Telescope Reaches Its Final Destination Far from Earth
The ambitious observatory has arrived at its home—near a gravitationally stable spot called L2—for a premier view of the universe
SpaceX’s Starlink Satellites Leave Streaks in Asteroid-Hunting Telescope’s Images
Despite efforts to reduce light pollution from the satellites, their disruptions of astronomical observations are increasing at an alarming pace
It’s Time for a Global Ban on Destructive Antisatellite Testing
The orbital debris created in the explosions is dangerous, long-lasting and a threat to the growing space economy
Astronomers Have Found Another Possible ‘Exomoon’ beyond Our Solar System
Kepler-1708 b-i appears to be a giant moon orbiting a Jupiter-sized planet thousands of light-years from Earth
Landmark Webb Observatory Is Now Officially a Telescope
The observatory has flawlessly unfurled its mirrors and sunshield—although more steps are needed before the science can begin
James Webb Space Telescope Completes Crucial Sunshield Deployment
The successful unfurling of the five-layered, tennis court-sized assemblage is a major milestone for the new observatory
The James Webb Space Telescope Has Launched: Now Comes the Hard Part
After years of delay, the most ambitious observatory ever built has at last left Earth. It now faces a high-stakes series of deployments in deep space
Digital Access Is Not Universal, but a 10-Year Plan Can Help
Prioritizing infrastructure, smarter regulations and better training will make digital technology more inclusive
Bad Weather Forces Delay in Launch of James Webb Space Telescope
The launch will now occur no earlier than Christmas Day