The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...
New Scientist on MSN
Earth and solar system may have been shaped by nearby exploding star
A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...
Starlust on MSN
3I/ATLAS update: First X-ray detection suggests the comet behaves like its solar system counterparts
The 17-hour X-ray study, performed in late November 2025, captured a subtle X-ray glow emanating from 3I/ATLAS's core.
New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...
Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...
Interstellar comet 3I/ATLAS is now visible in the UK night sky! The third confirmed alien visitor, whose chemical fingerprint is 'older than our Sun', makes its unrepeatable, 221,000 km/h flyby. Get ...
New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...
When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.
Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...
Amazon S3 on MSN
Suppose Kepler 22-b appeared inside our solar system
Earth is the only life-supporting planet in our Solar System. Until now. Today, we're bringing Kepler 22-b into our planetary ...
Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...
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