Deep space has just delivered a cosmic curveball: an object that behaves so strangely it appears to break the rules ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

While "Star Trek" is pretty consistent compared to a lot of science fiction franchises, a few episodes have turned ...

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...

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Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...

Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object nicknamed Cloud 9, located about 14 ...

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.