New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

The exoplanet Enaiposha, or GJ 1214 b, is a hazy world orbiting a red dwarf star about 47 light-years from Earth. Previously likened to a mini-Neptune, in-depth observations obtained using JWST now ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

Given that by conservative estimates our galaxy harbors at least 200 billion ... like the original star cluster in which our own solar system formed. But early such clusters are tumultuous places.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its ...

While most objects in our solar system orbit the same plane ... And we've even observed fluctuations of starlight in our own galaxy, which primordial black holes could explain.

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

The galaxy weighs in at around 14 billion solar masses and has a surprisingly developed structure for its age. The galaxy’s existence suggests that even 1.5 billion years after the Big Bang ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the ...