The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Astronomers have discovered a likely explanation for a fracture in a huge cosmic "bone" in the Milky Way galaxy, using NASA's ...

The careening star blasted through the galactic filament, known as "the Snake," at a zippy 1–2 million miles per hour.

Norman Astronomers have unlocked the sharpest visual yet of planets beginning to form within young solar systems. Using the ...

What's more, no exoplanets with emission spectra cooler than 275 K (1.85 °C; 35.33 °F) - comparable to Earth - have been ...

There's disappointment for astronomers as the newly-discovered bright green comet appears to have disintegrated ...

Flares from a supermagnetized star may have generated as much as 10 percent of our galaxy’s heavy elements.

The possibility of Planet Nine being out there way beyond Pluto has always excited astronomers. They have now found one body ...

"Cosmologists calculate the current theoretical size limit of structures to be 1.2 billion light-years, yet both of these structures are much larger – the Giant Arc is almost three times bigger and ...

The fracture is likely caused by a pulsar that smashed into G359.13 at a speed between one million and two million miles per ...

Astronomers Spot First-of-Its-Kind Planet Disintegrating and Shedding Debris From a ‘Comet-Like’ Tail Planets have been one ...

Each cloud represents in visible form (due to water droplets) a rising column of air,” the Earth Observatory says. NASA/Earth Observatory A blast from the past will be hitting Earth next week, as a ...