The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

A study has suggested that this motion of our star through the galaxy potentially takes us through regions of space that could affect our planet's climate. According to the study, the Solar System may ...

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

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star.

Solar storms that fling magnetism across the solar system can knock out satellites, power grids, communication and navigation systems, and endanger astronauts in space. Scientists can observe these ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...

For decades, astronomers believed our Solar System was a typical model of how planetary systems should form. But recent ...