Astronomers have found a dusty ring around Proxima Centari, which might mean Proxima b isn’t the only planet orbiting the red dwarf star that lies 4.2 light years from Earth.
With the James Webb Space Telescope set to launch next year, scientists are already dreaming of the space observatory for the 21st century that will follow.
By studying the particles that cascade to Earth, scientists can learn about the energy of the original cosmic rays.
Oscillations in Io's auroras suggest the moon lacks a subsurface magma ocean, according to new research.
The twin planets were found amid a cloud of stars located about 65 light-years from Earth.
If you stand at the historic marker for the prime meridian in Greenwich, England, you're not actually at zero degrees longitude. That's because improved technology has changed the location of the imaginary line.
Space is very big and it takes a long time to reach anyone, say experts.
A new analysis of data from NASA's twin Gravity Recovery and Interior Laboratory turned up new candidates for structures that could house astronauts.