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 ...
Space.com on MSN1d
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, ...
Intelligent Aliens May Be All Across the Universe, a Controversial New Theory Suggests
According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human ...
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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NASA Discovers a Strange New Planet Beyond Neptune
NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...
Planet-rattling asteroid has better odds of hitting Earth; what to know about 2024 YR4
The chances of Asteroid 2024 YR4 striking Earth have increased. Here's what that means, and where the potential impact zone ...
How To Catch Seven Planet 'Parade' for Last Time Until 2036
Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of ...
Scientific American2d
Where Are the Universe’s Missing Planets?
Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...
The short, uneventful life of Pluto as a planet
Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest planet. Pluto ...