The first images to be released from the European Space Agency’s Sun-imaging spacecraft show intriguing “campfires” that could help explain a solar mystery.
This week, astronomers announce a newborn magnetar and a fast radio burst that's bursting to a beat.
The 30-degree circular arc is likely a shock front expanding from a star that exploded some 100,000 years ago.
NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.
The discovery of a stably rotating disk galaxy in the early universe is the best indicator yet for how galaxies like the Milky Way formed.