Sounds of Big Bang' Shed New Light on Milky Way Galaxy's Uncanny Home Most of the astronomical objects are identified by ...

Fresh evidence claims that the Earth and the surrounding galaxy are suspended inside a cosmic void based on echoes from the Big Bang.

The biggest known planet in the Milky Way may be HD 100546 b, which is a very large gas giant in the process of forming with a diameter roughly 6.9 times that of Jupiter, or 77 times that of Earth.

Astronomers have at last identified what’s believed to be the edge of the Milky Way galaxy. A team of astronomers from England used that farthest point to determine that the diameter of the ...

His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery to Harlow Shapley, who had argued that the Milky ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense central ...

“Most of the Milky Way satellites have very ancient star populations. They stopped forming stars about 10 billion years ago,” said Marco Arias, the lead author of the study, in the same release.

New research suggests that a strange 'ripple' is causing the Milky Way's stars to vibrate out of step, ... Now, picture someone dropping a stone the size of 400 million suns into that water.

New data show a 50% chance the Milky Way won't collide with Andromeda. ... (M33) — the latter half the size of our Milky Way and the third-largest galaxy in our local group of galaxies, ...

“So things are dangerous for the Earths,” Dr. Bennett said. He also said that the abundance of free floaters in the Milky Way suggests that planet-size objects slamming into each other during ...