Approximately 31 years ago, in 1992, scientists confirmed the first exoplanets when they detected twin planets, Poltergeist and Phobetor, orbiting the pulsar PSR B1257+12. By March 2022 ...

An exoplanet discovered in 2020 contains the coldest temperatures ever measured on a planetary body, according to scientists. The planet, called WD 1856+534 b, is a gas giant exoplanet the size of ...