The universe

Some black holes are so massive they were likely created as smaller black holes that merged. Maybe we can use such black hole "children" to learn about the black hole "ancestors."

A three-legged robot named SpaceHopper could help combat challenges of exploring low-gravity environments, such as asteroids or moons.

Don't rule out primordial black holes as dark matter suspects just yet! Particle-sized black holes may resist evaporation, surviving long enough to account for the universe's most mysterious stuff.

Just weeks after Starship first reached orbital speed during a spaceflight in March, SpaceX founder Elon Musk outlined what the company wants to do with future spacecraft for Mars missions.

Spanish start-up HALO Space has unveiled its capsule design for stratospheric space tourism.

The closest extreme magnetic dead star or magnetar to Earth suddenly burst back to life to give astronomers a sight of unexpected and unexplained phenomena that are unlike anything seen before.

Astronomers have discovered that the BOAT, the most powerful gamma-ray burst ever detected, came from the supernova death of a massive star 2.4 million light-years away.

Achoo! Baby stars "sneeze" to rid themselves of excess energy during their formation process, astronomers using the ALMA telescope array have found.

NASA's Lunar Reconnaissance Orbiter (LRO) snapped a perfectly timed photo as it crossed paths with another spacecraft orbiting the moon.

A rare massive star possessing a magnetic field could have produced its dynamo after merging with another star.