Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

Since it was stripped of planetary status, Pluto’s defenders have been fighting the decision – and they’re only getting more passionate ...

Long before Clyde Tombaugh was searching the skies from an observatory in Arizona, he was a farm boy trying to make sense of ...

The spacecraft is currently approaching the outer boundary of the solar system as it prepares to cross into interstellar space.

A rare look at a centaur transforming into a comet with coma is providing a missing link in the evolution of small, icy solar ...

CLEVELAND, Ohio – Would I open the season with Deshaun Watson as the Browns’ quarterback? Absolutely not. Keep that in mind ...

Terry Pluto weighs in on the legal fight over whether former professional athletes should be allowed to play college sports ...

New Horizons' instruments may be shut off before it reaches the Solar System's "termination shock", despite it being fully functional likely into the 2050s.

Terry Pluto weighs in on the legal fight over whether former professional athletes should be allowed to play college sports ...

Nothing like the controlled disassembly of BepiColombo has ever been attempted in such a harsh environment as the region of ...

The return of football season brings more than packed stadiums and weekends planned around kickoff times. It also creates the ...

NASA’s Nancy Grace Roman Space Telescope will create enormous cosmic panoramas, which astronomers will use to explore ...