For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

Astronomers at Pan-STARRS found a tiny quasi-moon, 2025 PN7, orbiting the Sun near Earth since the 1960s, making it the ...

For the last 4.5 billion years our planet has had a reliable celestial companion - the moon. But astronomers have now ...

For decades, scientists believed Prochlorococcus, the smallest and most abundant phytoplankton on Earth, would thrive in a ...