Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

A rocky cigar-shaped object detected in space last month came from another solar system, astronomers said Monday as they confirmed an unprecedented observation. The discovery may provide clues as to ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

A new study shows chemical compounds for life on Earth likely came from our inner solar system and not a distant comet or meteor and Jupiter played a part.

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to ...

A study in solar tracker pneumatic actuator design for harsh environments has raised average efficiency of a test panel using ...