The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Solar Orbiter has revealed that tiny, hair-like jets in the Sun’s coronal holes are responsible for both fast and slow solar ...

Learn how these advances in instrumentation could provide a better understanding of solar winds and improve space weather ...

Theorbits of Jupiter, Saturn, Uranus and Neptune may have been altered by the fly-by of an enormous object from deep space ... may have swept through our solar system about 4 billion years ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

The team put forth a possible answer to that question: a mysterious object flew through our solar system about four billion years ago and swept the giant planets into new orbits. The researchers ...

Dec. 19, 2024 — Scientists are changing our understanding of climate and ... 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses ...

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...