solar wind
Did the Earth’s Water Come From the Sun?
Where did Earth's water come from? Comets may have brought some of it. Asteroids may have brought some. Icy planetesimals…
There are Particles of 4.5 Billion-Year-old Solar Wind Trapped Inside the Earth
Scientists have found the unmistakable presence of certain isotopes in an iron meteorite. Since these meteorites are thought to leftover…
Researchers Discover the Source of the Sun’s Most Dangerous High-Energy Particles
Sometimes the sun spits out high-energy particles which slam into the Earth, potentially disrupting our sensitive electronics. New research has…
ESA’s Solar Orbiter ‘Hides’ Behind the Sun
A deep-space mission is about to pull a ‘vanishing act,’ through mid-February, as the European Space Agency’s Solar Orbiter (affectionately…
The Earth’s Magnetosphere Might be Creating Water on the Moon
There's no doubt that the Moon has water on its surface. Orbiters have spotted deposits of ice persisting in the…
Venus Held Onto its Water Surprisingly Well During its History
A new study by a Swedish astrophysicist shows that Venus is not likely to have lost its water to space,…
This is What the Solar System Really Looks Like
At first glance, it looks like something from an alien autopsy. A strange organ cut from a xenomorph's thorax, under…
Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour
I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The…
Mars Doesn’t Have Much of a Magnetosphere, But Here’s a Map
Even though Earthling scientists are studying Mars intently, it's still a mysterious place. One of the striking things about Mars…
The heliosphere looks a lot weirder than we originally thought
Every second of every day, our sun spits out a stream of tiny high-energy particles, known as the solar wind.…