Robert Lea

The Vera C. Rubin Observatory has released its first images, providing a staggering glimpse at the observing power it will unleash when it begins its decade-long survey.

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding supermassive black hole.

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our place within the multiverse.

Astronomers have taken an unprecedentedly detailed look at the tendrils and filaments that wrap around supermassive black hole-dominated galaxies of Abell 2255.

The Rubin Observatory will reveal its first images on Monday. Space.com spoke to scientists who explained why this will be a monumental event for astronomy.

The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most distant that is chemically active.

Using the XMM-Newton telescope, astronomers have discovered a vast 23 million light-year-wide tendril connecting galactic clusters and containing much of the universe's missing matter.

A stunning new image of the Sculptor Galaxy, located 11 million light-years away, painted in thousands of colors by the VLT, reveals the intricacies of galactic systems.

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.

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.

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.

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so again, posing a threat to life.

Read the latest news about NASA's James Webb Space Telescope.

Astronomers have discovered a "teenage vampire" dead star in the process of devouring a companion star during a short-lived, "missing link" phase of its evolution.

At least three ESA space missions are under threat as a result of Trump's budget cuts. The gravitational wave observatory LISA, Venus orbiter EnVision, and NewAthena may require "recovery actions."

Using the James Webb Space Telescope, astronomers have discovered the smallest brown dwarfs ever seen with the potential to form planets and surrounded by mysterious molecules.

A researcher throws cold water on a recent effort that purported to eliminate black holes' greatest and most enduring mystery — the existence of their central singularity.

In two related firsts, the James Webb Space Telescope has discovered sand-filled rains on a distant exoplanet as its "sandcastle" partner world forms from sandy matter before the eyes of astronomers.

The Solar Orbiter has captured humanity's first look at the south pole of the sun, revealing messy magnetic fields and particles being ejected at high speeds.

The CLASS telescope array has taken a fresh look at the infant universe to hunt for polarized light in the Cosmic Microwave Background that resembles light bouncing off a cosmic car hood.

A new batch of 15 Giant Radio Galaxies, the largest of which is 12.4 light-years wide, could help reveal how black holes and galactic mergers help the universe's largest single objects grow so large.