As Comet 67P/Churyumov–Gerasimenko sneaks closer to the sun, the Rosetta orbiter is capturing dramatic outbursts from the ever-more active comet. This jet was so powerful, it momentarily out-puffed the solar wind, creating a rarely-observed diamagnetic cavity.
These satellites first started looking at Earth-Sun interactions when green text on black backgrounds was stylish (with cutting-edge blink tags!) and pagers were a key part of pop culture, yet they're still bringing us new science today. That's just impressive!
What causes thunderstorms? Previous research showed that one cause is cosmic rays from space, generated by supernovas. But a new paper shows that something much closer and powerful is also responsible: solar wind from our own Sun.
We know there's water frozen on the Moon — and we now know there's plenty more water elsewhere in the solar system . So how did it all get there? It might well be the Sun that's behind it all.
Galaxy M82 isn't just having kind of a blustery day — thanks to a recent near-collision with another galaxy, all its massive stars and supernovas are combining to create a massive galaxy-wide superwind. The result is that huge haze of red gas.
Earth's magnetic field shields us from most of the worst effects of the solar wind. But our bizarro twin Venus has no such field, meaning its atmosphere is the only defense against the solar wind. That's where things get interesting.
Geomagnetic storms are probably most famous for generating especially vibrant aurorae — some of the most breathtaking natural light displays on Earth. But these storms also give rise to all manner of electromagnetic interference across the radio spectrum — interference that gets picked up and measured by equipment…
At first glance, I thought Mathmos has released a new mood light, but that glowing blue image is actually of Saturn, captured by the Hubble telescope. It's a very rare photo, as both poles and rings are visible.
A new spacecraft is being launched in about a year, one designed to travel across the solar system. But instead of using rockets to propel itself, it uses sails. Sails pushed by light.
More than 30 years ago, we launched two space craft on a long-shot, once in a lifetime mission to explore the outer planets. Today, the Voyager space probes are still making their long, lonely journeys outside the boundaries of our solar system. Amazingly, they are still functioning and still sending us data about the…
Laugh all you want at the sea-urchiny ship Jor-El used to send Kal-El to earth, but it looks a lot like the new kind of solar-sail array developed by the Finnish Meteorological Institute in Helsinki. Instead of the standard solar panels, the Finnish scientists propose long thin strands, just microns in diameter, that…