The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

Not having an atmosphere, which traps important gases like oxygen and water vapor, may render a planet uninhabitable, even if it were otherwise an Earth doppelganger. "Our Sun’s activity doesn ...

"The phenomenon is highly repeatable. We discovered an unplanned new technique for identifying objects entering the earth's ...

DARPA is using Earth’s atmosphere as a powerful sensor, allowing the detection of events like rocket reentries and illicit ...

The confirmed discovery of exoplanets revolutionized our understanding of the universe. Among the thousands of confirmed ...

These two exoplanets, a super-Earth and a sub-Neptune ... suggesting that it could have a thick hydrogen-rich atmosphere or a composition dominated by water. This makes it an ideal candidate ...