The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...

Around 16-17 June, Mars will appear to pass close to Regulus, the bright star at the heart of the constellation Leo, the lion ...

The action begins right at sunset — after which there will only be a 30-minute window in which all seven planets can be seen in alignment above the horizon. "If you look out west after sunset ...

A new astronomical study suggests that Earth could one day be ejected from the solar system, not by the aging of the Sun, but ...

Good luck out there. A planetary alignment goes down, up high, when more than two planets align in the sky. Gayan - stock.adobe.com To catch sight of Uranus and Neptune, you'll need a telescope or ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

"Uranus and Neptune, two very distant ice giant planets out in our solar system, are also there in the sky," Dyches said. "But they are very faint." MORE: This is how close NASA's Parker Solar ...

And yes, they'll be in a line. But because planets always appear in a line from our Earth-bound vantage, the alignment isn't anything out of the norm. What's less common, according to astronomers ...

Stars that pass close to the solar system could pull planets out of alignment, sending them hurtling into the sun or out into space ...

Scientists have long believed that rocky planets like Earth and Mars formed their cores through a process that required ...

If two planets get too close to each other, the interaction can cause one (usually the less massive of the two) to gain a lot of orbital energy, causing it to be flung out of the system.