Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead ...

Though they don't orbit around our sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar ...

Macduff met the Herald this week at the Jupiter basalt marker along the Columbia Park Trail, just east of the blue bridge. It ...

This is probably the most convincing evidence for Planet Nine so far. It is believed that this planet is five to ten times ...

"If there were only one object, that would be interesting but an outlier. If there's two, we're pretty confident that's a ...

A 9th planet in our solar system might be found — and no, it’s not Pluto - Is there another planet out there? Researchers say ...