Water is essential for life on Earth. So, the liquid must be a requirement for life in other worlds. For decades, scientists' definition of habitability on other planets has rested on this ...

Infant planets are ravenous little blighters that quickly devour what remains of the star-circling gas and dust clouds in which they form. The gas in these protoplanetary disks disappears rapidly, ...

Astronomers have uncovered the chemical profile of a very pink planet, potentially solving a decade-old mystery about its ...

Northwestern University-led astronomers have discovered salty skies surrounding the universe's famous "Pink Planet." For more ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

A new study published in Monthly Notices of the Royal Astronomical Society has pinpointed the best planets for the search for extraterrestrial life. By focusing on specific characteristics of ...

WASHINGTON, March 20 (Reuters) - The planetary system that includes Earth and its sibling planets orbiting the sun has been remarkably stable during its roughly 4.5 billion years of existence. But ...

A new study from a survey of 91 pairs of twin stars named C3PO sheds new light on the so-called “three-body problem” that has befuddled scientists for centuries. At least 8%, or 1 in 12, of twin ...

When you see art of our solar system as the planet orbit the sun, you may notice that Earth's orbit has a tilt. It is not a perfect circle. What's more, Earth is not the only planet that displays ...

An international team of scientists, in which researchers from the Instituto de Astrofísica de Canarias (IAC) participate together with other institutions from Spain, Italy, Germany, Belgium, UK, and ...