Calla Cofield

Another batch of photos from NASA's New Horizons probe, which flew past Pluto on July 14, 2015, reveals the majesty and mystery of this icy world.

The Hubble Space Telescope has calculated the distance to the most far-out galaxy ever measured — GN-z11 — providing scientists with a look deep into the history of the universe.

Can two black holes be born from a single star? A new idea could explain the merger of two black holes that led to the historic first direct detection of gravitational waves.

The first-ever direct detection of gravitational waves will open up an entirely new window on the universe, researchers say.

100 years after Albert Einstein first proposed these ripples in spacetime as part of his theory of relativity astrophysicists have found proof of their existence.

Astronauts, scientists and members of the spaceflight industry are joining people all over the world in mourning the death of music icon David Bowie, who passed away yesterday (Jan. 10).

Famed physicist Stephen Hawking helped launch a major new search for intelligent alien life, despite having strong fears that such creatures would destroy humanity.

Known to many as "G2," the unidentified object making a loop around the monster black hole at the center of our galaxy could be a cloud of gas, or it could be a star, depending on who you ask.

The Magnetospheric Multiscale mission, which will study a cosmic phenomenon that is both dazzling and dangerous for people on Earth, is scheduled to launch into orbit on Thursday (March 12).

Two historians on a mission to preserve historic structures in Ethiopia inadvertently turned a cutting-edge 3D scanning device into a tool for creating works of art.

A 3D scanning device inadvertently helped two historians create beautiful and haunting works of art.

The universe is smiling today — at least, that's what it looks like in a new space photo that appears to feature a smiling face emerging from the light of the universe.

A "faster-than-light" experiment could be a real-world tool for studying the cosmos, according to research presented this month at the 225th American Astronomical Society meeting in Seattle.

NASA's Dawn spacecraft has captured amazing new images of the dwarf planet Ceres ahead of the probe's March 6 arrival at the giant space rockk. See the images here.

A massive population of stars is missing, and scientists are stumped as to where it could be.

Hundreds of witnesses saw three different fireballs streak above different locations in the US, but one of them might not have been a fireball at all.

Scientists have found evidence of water in our inner solar system 135 million years earlier than previously thought.

Scientists have captured the best view yet of how gamma-ray bursts, the most powerful explosions in the universe, are shaped by extreme magnetic fields around black holes.