Exoplanets

How the first exoplanets were discovered

Nasa's tally of planets outside our Solar System hit 6,000 this week. Witness History explains how the first exoplanets were discovered in 1992.

The possible planet is just four-and-a-half light years away and may have moons that sustain life.

Astronomers hope to learn how its six planets formed and whether any of them are home to life

Experts are optimistic of detecting life signs on a faraway world within our lifetimes - possibly in the next few years.

Nasa's James Webb Telescope may have discovered a molecule thought only to be produced by life.

Dr Michael Roman made the observations about the atmospheric conditions on the planet GJ 1214b.

WASP-39b lies outside our solar system - 700 light years away from Earth.

Scientists using an £8.5bn telescope to scour space say it could uncover secrets of the universe.

An influential panel of scientists wants to see a mission to the Solar System's seventh planet.

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