Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to astronomers.

Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river ...

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons ...

Because of its numerous advantages, photovoltaic (PV) electricity is one of the most important renewable energy sources, and obtaining more power from these systems in varying conditions is much ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the direction of Sagittarius ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ever spotted, though scientists suspect many more may slip past unnoticed.