In 1992 astronomers reported the first planet-size masses around a dead star, the pulsar PSR1257+12, which sits 2,000 light-years away. Three years later came news of the first known exoplanet ...

Scientists have discovered two “super-Earth” exoplanets ... Comparison between the LP 890-9 system and the inner Solar System. The LP 890-9 system is much more ... [+] compact: its two planets ...

Even JWST can’t separate these tiny planets from their host stars – as they orbit their stars too closely. But there is a way ...