Scientists have identified a 200,000-light-years-long trail of young blue stars - a star bridge - linking a runaway black hole and the galaxy it's escaping.
NASA's Webb space telescope has detected swirling, gritty clouds of silicates and numerous molecules in the atmosphere of a giant exoplanet 40 light-years away.
A new discovery shows an icy rain from Saturn's rings affects the planet's atmosphere. This insight could help lead to the discovery of rings around exoplanets.
A neutron star is born from a supernova explosion. They contain a couple of times the mass of our sun, squeezed into a sphere the size of a city on Earth.