Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

Scientists believe a dust-filled ring just outside Jupiter acted like a cosmic “planetesimal factory,” producing multiple generations of early space rocks with very different compositions. The ...

A small group of scientists have long suggested that the seeds of life may have been distributed across the vast distances of ...

The exoplanet is gravitationally gripped in a speedy, 11-hour orbit around a red dwarf star that's less than one-fifth the ...

To be a planet, NASA says an object must be big enough that its gravity has cleared away any other objects of a similar size near its orbit around the Sun. I can understand how something can clear ...

Mars holds a special place in the solar system. It represents marginal habitability. This means it transitioned from warm and ...

JWST exoplanet direct imaging reached a new milestone when astronomers first characterized a cold super-Jupiter just 12 light ...

Preliminary results of a study presented at the recent European Geosciences Union General Assembly in Vienna indicate that ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

In the young Solar System, a dust trap beyond Jupiter may have built wildly different meteorite parent bodies over two ...

A hot, rocky planet discovered using the Kepler space telescope is the smallest ever found outside our solar system. The new planet, called Kepler-37b, has a radius less than a third the size of Earth ...

Astronomers using the James Webb Space Telescope have uncovered surprising evidence about how enormous “super Jupiter” ...