The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

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

"We were very surprised to see that the same tiny plasma jets appear to be driving both the fast and the slow solar wind." ...

What is space weather, what causes it, and how does it affect humans? Physicist Robyn Millan, who co-chaired a recent ...

But it is a rare class of star that NASA's Hubble Space Telescope explored ... Swirling Polar Vortices Likely Exist on the Sun Nov. 11, 2024 — Like the Earth, the Sun likely has swirling polar ...

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some craters on its surface that never see sunlight ... once every 58 Earth days — in some ...

A SpaceX launch from Vandenberg Space Force Base in Southern California could be seen from across the state, which prompted concern from some who were unaware of the project.