This artist's concept shows what the gas giant planet that orbits the star Alpha Centauri A could look like. (R. Hurt (Caltech/IPAC) | NASA, ESA, CSA, STScI) Just 4.3 light years from Earth lies a ...

Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

Alpha Centauri, the nearest star system to our own, sits 4.37 light-years away. At the speed Voyager 1 travels, reaching it ...

The appearance of the interstellar objects (ISOs) 'Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come from? Unfortunately, they ...

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 ...

A giant planet may be orbiting the nearest Sun-like star to Earth, and the discovery is sparking excitement across the astronomy world. Using the James Webb Space Telescope, researchers have detected ...

SANTA CRUZ, CA–A rocky planet similar to Earth may be orbiting one of our nearest stellar neighbors and could be detected using existing techniques, according to a new study led by astronomers at the ...

This artist’s concept shows what a gas giant orbiting Alpha Centauri A could look like. Observations of the triple star system Alpha Centauri using NASA’s James Webb Space Telescope indicate the ...

Add Yahoo as a preferred source to see more of our stories on Google. A purple sphere in the bottom right with a smaller, bright orb in the top left There may be a habitable world at the Sun's closest ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the same ...

Researchers from the University of Colorado at Boulder just released a new analysis that predicts nearby stars could support Earth-like worlds. Share on Facebook (opens in a new window) Share on X ...