An oddity among exoplanets, L 98-59 d is (so far) in a class all its own, but astronomers expect powerful new telescopes will ...

For four years, NASA’s planet-hunting telescope photographed the light of 2.2 million stars. The data sat in public archives, ...

Nasa’s citizen science project has used 2,00,000 citizen scientists to discover over 3,000 new failed stars, doubling the known total in the universe.

Planet 9 project announces that volunteers have essentially doubled the number of known brown dwarfs, with over 3,000 new ...

Citizen scientists working with NASA have helped identify more than 3,000 brown dwarfs—dim, elusive objects that sit between ...

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...

Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest evidence yet that icy, life-delivering objects ...

A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere. That would make it the solar ...

NASA chief Jared Isaacman has doubled down on his stance that Pluto is without a doubt a planet. For two decades, controversy has surrounded the distant icy world after it was infamously stripped of ...

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are planets that orbit stars outside our solar system. But new research from ...

All the planets orbit in the same flat plane — but it wasn’t always like that. The solar system began as a chaotic cloud of gas and dust collapsing under gravity. As it spun faster, it flattened into ...