A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

The find represents the first clear detection of a baby planet taking shape within a disc of dust and gas with multiple rings. The ground-breaking discovery was made using European Southern ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.

Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion ...

Solar storms can have a devastating effect on earth's power and communication grids, and the trio of missions may help to ...

Researchers discover hidden solar tornadoes that can disrupt Earth's systems - revealing why current space weather warnings ...