Exoplanets - NASA Science

Dec 12, 2023 · If we find an “Earth-like” planet, we won’t see continents and oceans – at least not yet. But that tiny dot of light will contain a flood of information: details of the planet’s …

Feb 15, 2018 · NASA's Transiting Exoplanet Survey Satellite (TESS), shown here in a conceptual illustration, will identify exoplanets orbiting the brightest stars just outside our solar system.

May 1, 2016 · Astronomers have discovered three planets with sizes and temperatures similar to those of Venus and Earth, orbiting an ultra-cool dwarf star just 40 light-years from Earth.

May 9, 2016 · In the newly-validated batch of planets, nearly 550 could be rocky planets like Earth, based on their size. Nine of these orbit in their sun's habitable zone, which is the …

Aug 22, 2023 · Do systems of planets in one region of the Milky Way look different than they do in another? Or is there no discernable pattern among this sprawling, spiraling assembly of stars?

Dec 10, 2020 · This is the first time that astronomers have been able to measure the motion of a massive Jupiter-like planet that is orbiting very far away from its host stars and visible debris …

Jun 28, 2018 · The study of exoplanets – planets that lie outside our solar system – could help scientists answer big questions about our place in the universe, and whether life exists beyond …

Exoplanet exploration, or the search for planets outside our solar system. It's a field that often sounds mysterious, but seeks to answer an essentially simple question– are we alone in the …

Sep 17, 2025 · An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called rogue planets, are untethered to any star.