A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.

After a "fast and fiery re-entry through Earth's atmosphere", they are due to splash down off the ... Nine months without gravity will have caused "significant, and irreparable, bone density loss", ...

At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...

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

Scientists have discovered a 'super-Earth' exoplanet ... Future missions will focus on studying its atmosphere for signs of life.

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

Beryllium-10 is continuously produced by cosmic rays interacting with Earth's atmosphere. It is incorporated into ferromanganese crusts on the ocean floor at a steady rate, contributing to the ...

The findings, based on long-term atmospheric data, offer a fresh perspective on the behaviors of Mars' middle atmosphere, highlighting fundamental differences from Earth's. The study applied ...

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth. A super-Earth ... radiation blows their atmosphere away, removing much ...