Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Seven hours and forty-five minutes – that was the length of time that the jets in the anti-tail of comet 3I/ATLAS took to ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

Astronomers photographed a baby planet, WISPIT 2b, during its formation process within a dusty ring around its star system.