Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Space experts believe that the 'Dracula' disc could offer new insights into planetary formation, especially in massive ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

Scientists have discovered the fastest-spinning asteroid sized over 0.3 miles in diameter, which is rotating about once every ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to ...