A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Mar. 17, 2025 — New modeling ...