Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence of ...

For a decade and a half, astronomers have been on the trail of a galactic mystery. In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

The celestial body is the youngest transiting planet found to date. Madyson Barber, a grad student at the University of North Carolina at Chapel Hill, was researching young transiting systems in space ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

This discovery was made by two of NASA’s most celebrated telescopes. This illustration provided by Dan Durda shows the exoplanet Kepler-1625b with a hypothesized moon. On Thursday, Oct. 4, 2018, two ...