Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. - NASA / JPL-Caltech / R. Hurt illustration Astronomers have ...

– January 7, 2026 (London time) – One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the size of Earth and Neptune within the orbit ...

A reanalysis of early data from NASA’s Transiting Exoplanet Survey Satellite (TESS) telescope has uncovered more than 11,000 ...

Binary star systems are not unusual in the universe. In fact, half of all Sun-like stars in the Milky Way galaxy have a companion star. In theory, this means that planets in binary star systems, ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

Scientists weighed newborn planets for the first time, revealing puffy worlds that will shrink into super-Earths and sub-Neptunes, the galaxy's most common planets. (Nanowerk News) One of the biggest ...