NASA and other space agencies have captured vivid images of galaxies, planets, moons, stars, and beyond in 2023. Here are some of the most stunning cosmic photos.
What are comets? The secret lives of space snowballs.
A comet is a bright ball of ice, dust, and rock from the outer solar system. Here are more intriguing facts about these ancient space rocks.
The curious new planets astronomers detected in 2023
The number of confirmed exoplanets — planets orbiting stars other than the sun — has risen to 5,539. Each alien world has its own distinct combination of characteristics.
Astronomers lost an entire galaxy. Then Webb found it.
The James Webb Space Telescope has rediscovered an ancient star-forming galaxy that went missing through the viewfinder of other telescopes.
Watch how 6 planets orbit their star in perfect sync
Astronomers have discovered a special star system where six sub-Neptune planets orbit their host star in perfect synchrony.
Webb space telescope reveals this vomiting baby star has an accomplice
Astronomers used the James Webb Space Telescope to peer into Herbig-Haro object 797 and discovered a double star was hiding in the nebula.
European Space Agency signs agreement with Starlab developers to secure ongoing access to low Earth orbit
The European Space Agency has signed a new agreement with the developers of the Starlab commercial space station, with the aim of establishing a “sustained access to space […]