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Space.com on MSN1d
Astronomers discover a cosmic 'fossil' at the edge of our solar system. Is this bad news for 'Planet 9'?
"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...
A Solar System Internet? Space Laser Test Moves Us Closer
The deep-space optical communication link could revolutionize how scientists communicate with spacecraft as they explore the ...
Here's how a star beyond Earth's sun could offer a 'picture of the baby solar system'
International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.
Space.com on MSN19h
Telescope spies rare interstellar comet 3I/ATLAS zooming through our solar system (photos)
Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.
Our solar system has a new mysterious visitor—what is it?
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...
Two meteorites found in the Sahara could be from the solar system’s least studied rocky planet, scientists say
Two meteorites found in the Sahara in 2023 might be from Mercury, a study suggests, but doubts remain due to how little is ...
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ScienceAlert8h
Strange 'Fossil' World Detected at Fringes of Solar System
Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...
Science News1d
This star offers the earliest peek at the birth of a planetary system like ours
A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.