Old rocket parts and decommissioned satellites are whizzing around in low Earth orbit, where they risk colliding with the ...

Amir Siraj and team propose Planet Y, a possible unseen planet influencing Kuiper Belt object orbits. Vera C. Rubin ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

We could be overlooking an entire population of asteroids that pose a threat to Earth on the very simple basis that they're ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio ...

"Understanding these weather processes will be crucial as we continue to discover and characterize exoworlds in the future." ...

The successful launch of Sputnik — the world’s first artificial satellite to orbit Earth — on October 4, 1957 rocketed ...

Michigan State University assistant professor Darryl Seligman has led the first-ever scientific paper published about ...