Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed in the first second after the Big Bang.
A mystery signal detected high in the sky above Antarctica defies current models of physics and could represent a new particle, scientists say.
Astronomers have used the ALMA radio telescope to investigate how planets grow in protoplanetary disks of gas and dust around young stars.
Watch the stunning Mars and Regulus conjunction today with this free livestream
Get ready for a new Roman Empire: A NASA space telescope will detect a staggering wealth of intricate gravitational lenses that could help unlock the mysteries of dark matter.
Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them.
Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million light-year-wide envelope of charged particles.
The beads are over 3.3 billion years old, and date from the formation of the "Man in the Moon."
There's a good reason the Lego Marvel Infinity Gauntlet has been around since 2021: Few sets are as striking as this.
Part of the closest star-forming region to us, known as the Chamaeleon Complex, has been illuminated by the light of young stars in this artwork by nature captured by the Dark Energy Camera.
