On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the ...

NASA has detected a mysterious signal coming from a distant super-Earth called TOI-1846 b, a planet nearly twice Earth's size ...

In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much ...

Volcanic planets with static crusts, called Ignan Earths, can maintain liquid oceans and temperate climates favorable to life.

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining cutting-edge data from the ALMA observatory and ESA’s Gaia mission. Initially ...

The team detected a huge gas giant dwelling in the protoplanetary disk of MP Mus, which had been previously hidden. This represents the first time Gaia has spotted an extrasolar planet or "exoplanet" ...

Astronomers have detected a giant exoplanet—between three and ten times the size of Jupiter—hiding in the swirling disk of ...

On July 14, 2015, the New Horizons space probe came within 7,800 miles of Pluto, providing NASA scientists with the clearest ...