This image shows Neptune observed with the MUSE instrument at ESO’s Very Large Telescope. A dark spot can be seen in the upper right. Astronomers have observed a huge, mysterious dark spot on the ...

Scientists have helped solve the mystery of what lies beneath the surface of Neptune – the most distant planet in our solar system. A new study sheds light on the chemical make-up of the planet, which ...

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Because Uranus and Neptune are so far away, scientists only have educated guesses about the combination of ices and gases that make up these ice giants. While the general understanding is that these ...

The powerful space telescope zoomed in on Mors-Somnus, a binary pair of icy asteroids that originated within the Kuiper Belt. When you purchase through links on our site, we may earn an affiliate ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Look to the southeastern horizon in the hours following sunset on Nov. 29 — you'll be able to see the moon shine close to the ...

Scientists have long assumed that, like rocky planets such as Earth, sub-Neptunes begin with molten magma oceans. Their thick hydrogen-rich atmospheres were thought to trap heat efficiently, allowing ...

Scientists are still in the dark about what is causing a huge shadowy patch to appear against the blue background of Neptune’s sky. When you purchase through links on our site, we may earn an ...

Because Uranus and Neptune are so far away, scientists only have educated guesses about the combination of ices and gases that make up these ice giants. While the general understanding is that these ...