Every 378 days, Saturn swings into opposition, bringing it closer, brighter, and nearly 10 times easier to observe than at ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

What appears to be a ripple in space is actually a newborn planet eating its way through its dusty cradle as it orbits its host star. This image, taken with ESO’s Very Large Telescope (VLT) in Chile, ...

When scientists discovered the first planet orbiting another star in 1995, few outside astronomy circles noticed. That planet ...

Astronomers using the Smithsonian Submillimeter Array on Mauna Kea have helped determine the 3D structure of one of the night sky’s most iconic objects — the Ring Nebula.

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...

The powerful eye of the James Webb Space Telescope has allowed astronomers to spot a previously unknown moon whirling around Uranus.

Astronomers using the powerful eye of the James Webb Space Telescope have spotted a previously unknown moon whirling around ...

The glow of Uranus’ rings and the moon’s tiny size, measuring about 6 miles (10 kilometers) in diameter, are likely what obscured it from the view of Voyager 2, the only mission that has performed ...

Hubble Delivers Best View Yet of Rare Interstellar Comet 3I/ATLAS Racing Through Solar System Hubble’s clearest view of comet 3I/ATLAS shows a dusty coma and faint tail from a rare interstellar ...

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our solar system to visit our neighborhood. This interstellar interloper is putting on ...

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