Astronomers around the world will have immediate access to early data from specific science observations from NASA’s James Webb Space Telescope, which will be completed within the first five months of ...

It will be a spectacular event, but calculating when it will happen is a tricky business. Every now and then, in recent observations, Betelgeuse has grown dimmer or brightened, prompting speculation ...

Recent advances in cometary science have yielded unprecedented insights into the composition, dynamics and evolution of cometary nuclei and their surrounding comae. Studies now demonstrate that comets ...