The company behind an exoplanet-naming contest says it's fighting to restore its business and its reputation in the wake of some disapproving words from the International Astronomical Union. Officials ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...

In some of its most ambitious work yet, the James Webb Space Telescope looked to spot a planet in a potentially habitable orbit around Alpha Centauri A, the nearest sunlike star to our solar system ...

The company behind an exoplanet-naming contest says it's fighting to restore its business and its reputation in the wake of some disapproving words from the International Astronomical Union. Officials ...