Observations of exoplanets typically provide astronomers little more than an orbit, a mass and a radius. If the radius and ...

Stars are some of the most mysterious things in the universe, and Przybylski’s Star (HD 101065) is one of the weirdest of all ...

The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. In 1983 ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

Mary Gilmore, Staff Writer On Wednesday, Apr. 16, a team of astronomers found evidence of an unexpected atmospheric gas while ...

Magnetar flares produce gold, platinum, and other heavy elements in our galaxy, says new research on a strange cosmic flash ...

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 ...

"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 ...

These May nights provide the skywatcher impressive views of galactic clusters unimpeded by the Milky Way, the chance to study exoplanets and the opportunity to refresh one’s perspectives.

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

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...