Dear EarthTalk: How feasible is creating orbiting solar plants that can beam energy down to Earth? If it’s possible, when can we expect to see such tech implemented? ­– P.R., via email In the 1941 ...

How can space-based solar panels help advance renewable energy while reducing fossil fuels? This is what a recent study published in Joule hopes to address as a team of researchers from the United ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

Astronomers gazing upon a star system not too far from Earth were recently treated to a marvelous discovery: a group of six planets moving around a sun-like star in a seemingly perfect cosmic dance ...

Astronomers have been looking for exoplanets orbiting Barnard's Star – the nearest solitary star to our Solar System, at just 5.96 light-years away – since its discovery in 1916. Unconvincing signs of ...