The solar system's greatest mystery may finally be solved

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective ...

China's Tianwen-2 is off to collect an asteroid sample

Asteroids are the ancient remnants of our solar system's birth, rocky fragments that never formed into planets. Most of these celestial wanderers inhabit the asteroid belt between Mars and Jupiter, where Jupiter's immense ...

NASA's Juno back to normal operations after entering safe mode

Data received from NASA's Juno mission indicates the solar-powered spacecraft went into safe mode twice on April 4 while the spacecraft was flying by Jupiter. Safe mode is a precautionary status that a spacecraft enters when ...

Lightning strikes link weather on Earth and weather in space

There are trillions of charged particles—protons and electrons, the basic building blocks of matter—whizzing around above your head at any given time. These high-energy particles, which can travel at close to the speed ...

Audible storm waves could turbocharge Earth's radiation belts

Encircling Earth are the Van Allen radiation belts—vast, doughnut-shaped rings of highly energetic charged particles, mostly originating from the sun, that are trapped by our planet's magnetic field, or magnetosphere. The ...

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