Astronomy

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.

China's human spaceflight agency just conducted a crucial pad abort test for its Mengzhou spacecraft as it continues toward its goal of putting boots on the moon before 2030.

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.

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.

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.

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.

The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18.

Dark matter "lampshades" could slip between Earth and distant stars, causing tiny amounts of dimming that may help explain one of the greatest puzzles in science.

Rapid bursts of energy that last milliseconds but emit as much energy as the sun does in decades are helping astronomers pierce the cosmic fog between galaxies to find the universe's missing matter.