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7 planets are aligned in the night sky right now. But what's that mean for science?
In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...
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Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.
Our Solar System Lost a Planet - Why Is It Gone?
Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...
Who doesn't love a parade, especially a planet parade? How and when to see up to 7 planets
Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.
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'Like a family photo of our solar system': The James Webb telescope is watching 2 alien planets being born before our eyes
Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in ...
The tiny planet-not-planet that could: Pluto was discovered 95 years ago today
Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...
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1 million 'interstellar objects' — each larger than the Statue of Liberty — may lurk in the outer solar system
New simulations reveal that around 1 million "macroscopic" objects from our closest stellar neighbors, the Alpha Centauri ...
Astronomers reveal 3D structure of an alien planet's atmosphere
Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...