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

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 ...

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 ...

For no explainable practical reason, humans are enamored with – and even empathetic toward – specific inanimate objects. Our first car. A choice coffee mug. And for a particular subset of the ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

Earth-like atmospheres require precise balances of nitrogen, oxygen, and CO₂, supported by long-term geological and biological processes. Most M-dwarf planets face atmospheric loss due to intense ...

A 3-billion-year-old white dwarf, the core of a dead star, consumed an exoplanet from its former planetary system. Credit: NASA / ESA / Joseph Olmsted illustration A dead star core about 145 ...