Neutron stars are extraordinarily dense objects, the densest in the Universe. They pack a lot of matter into a small…
The edge of the Solar System is defined by the heliosphere and its heliopause. The heliopause marks the region where…
The Sun dominates the Solar System in almost every way imaginable, yet much of its inner workings have been hidden…
New technologies bring new astronomical insights, which is especially satisfying when they help answer debates that have been ongoing for…
A star speeding through gas and dust has much to teach us about interstellar dynamics.
Our Milky Way galaxy isn't just a disk of stars and nebulae - it's surrounded by a cloud of hot,…
Using data from NASA's Solar Dynamics Observatory, a team of scientists have discovered a new type of solar phenomenon that…
The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until…
When was the first time that the Universe cooled down enough that light could finally move around?
Thanks to the ESA's Cluster mission, scientists now know that part of the plasma found in our magnetosphere is coming…