The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...
Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...
The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...
If everything in our solar system formed from the same solar nebula, why do the planets have different compositions? Herbert WichTitusville, Florida To better understand why the planets have variable ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...
In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.