ScienceAlert on MSN
Planet Y: A Hidden Earth-Size World Could Lurk Far Closer Than 'Planet Nine'
The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...
More than a decade of satellite monitoring has mapped Earth’s magnetic field as it subtly altered between 2014 and 2025 — and ...
A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.
A small asteroid, 2025 PN7, is now a quasi-moon, following Earth's orbit. Discovered by the University of Hawaii, this space ...
The celestial object is what scientists call a quasi-moon — an asteroid that orbits the sun but appears to move alongside ...
Scientists imaged the heart of the OJ 287 galaxy, uncovering a curved plasma jet around what appears to be two merging ...
ScienceAlert on MSN
Vast Anomaly in Earth's Magnetic Field Keeps Growing, Satellites Reveal
A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites ...
The next full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...
Underknown on MSN
What If Earth Was Sandwiched Between Two Asteroid Belts?
What would happen if you obtained space-bending abilities and decided to test them out by placing Earth between the two ...
The Earth now has another moon to tag along during its orbit around the Sun. Astronomers found out that the Earth has two ...
Using 11 years of magnetic field measurements from the European Space Agency's Swarm satellite constellation, scientists have ...
Learn about the mysterious interstellar object 3I/ATLAS and the controversy surrounding NASA's handling of information. Find ...
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