Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...
Even more exciting, the model suggests that some Earth-like planets could form in the habitable zone—the region around a star ...
The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.
The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...
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.
If an asteroid this size were to collide with Earth, the scale of damage would depend greatly on where exactly it struck—and the angle of entry through the atmosphere, which affects the energy ...
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