Red and green auroras may share electron-driven origins

With their mysterious glow and swirling veils of color, auroras enchant even experienced researchers. When a particularly intense solar storm reached Earth on the night of May 10, 2024, and relevant ...

Overlooked material in Ryugu and meteorites may explain how water spared ancient chemistry

Asteroid Ryugu and some carbonaceous meteorites, which are thought to have similar origins in the early solar system, are ...
Astronomy

What is the physical size of a 1-billion-solar-mass black hole compared to the Sun?

The event horizon of a nonspinning billion-solar-mass back hole has a radius of 1.8 billion miles — the distance of Uranus from the Sun.
Wired

A Newly Discovered Trail of Cosmic Debris Illustrates How the End of the Solar System Could Look

A dying star 1,600 light-years from Earth is surrounded by two rings of gas and dust that astronomers believe are the remnants of the planetary bodies it once hosted. The white dwarf J1328−1450 is ...
Ever After in the Woods

This Illinois Museum Is The Sun In A Solar System That Stretches Across Peoria, And It’s Free On Sundays

A whole museum building stands in as the Sun for a scale model of the Solar System that stretches across town. That Sun ...

Uranus and Neptune May Have Been Cosmic Strangers All Along, New Research Reveals

Neptune may have formed from material that originated much closer to the young Sun, challenging the long-standing belief that it and Uranus developed from the same reservoir of cosmic ingredients. New ...