Astronomers have caught a rare glimpse of an extremely massive star in the early stages of its life, gaining new insight into the way large stellar bodies like this form and evolve. The star has a mass 30 times that of Earth's sun, and it's still growing.
A probe swinging around Earth through the Van Allen radiation belts was able to pick out near-light-speed electrons following a powerful geomagnetic storm, providing a rare look into the interaction between the belts and the space weather event.
A globular cluster called NGC 4833 houses hundreds of thousands of stars that are tightly packed together. This particular star cluster is located 22,000 light-years from Earth, in the constellation of Musca (The Fly).
Ash from exploding stars is found in a fossil on Earth, a spacecraft prepares to visit an asteroid, and China launches a hack-proof satellite. These stories are featured in Space.com's best news stories this week.