Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

Hubble’s three-and-a-half-decade lifetime has allowed astronomers to observe cosmic objects over extended periods to see how ...

It was the largest distance ever measured ... let's return to the Andromeda Galaxy and examine it from our vantage point on the dust-grain planet we call Earth. The remarkable thing is that ...

What this all means it that, despite its youth, the galaxy behaves in a manner consistent with some of the largest, most mature spiral galaxies we see in the present universe. Big Wheel exists ...

But for sheer exoticism, it would be hard to top a newly described circumbinary planet located relatively nearby in our Milky Way galaxy ... more massive than the biggest planets and are modestly ...

But for sheer exoticism, it would be hard to top a newly described circumbinary planet located relatively nearby in our Milky Way galaxy ... more massive than the biggest planets and are modestly ...