New images from a Venus-orbiting satellite reveal the planet’s atmosphere is much more dynamic than previously thought, and that conditions can change in a matter of hours.
New telescope images reveal a previously unknown rich cluster of stars in the inner parts of the Milky Way galaxy.
A class of double star systems erupt in spectacular fashion around every ten thousand years and then experience small and frequent explosions in between, a new study suggests
Astronomers are rubbing their eyes after discovering that a galaxy assumed to have been a giant for the past 23 years is in fact a dwarf, according to new observations.
Astronomers are watching a galaxy rip to shreds, a finding that could shed some light on how galaxies can go from riches to rags.
The oldest solar observatory in the Americas has been found in coastal Peru, archeologists announced today.
In an interview with SPACE.com, Astrophysicist, Neil deGrasse Tyson, discusses the mysteries surrounding black holes and the reason he chose to name his new book after them.
The universe contains 50 percent more calcium than previously thought, a new study suggests.
Streams of glittering stellar gems on the outer edges of Andromeda are remnants of an ancient galactic collision that helped shape the spiral galaxy.
After circling the red planet for more than eight months, NASA’s Mars Reconnaissance Orbiter has taken images of three spacecraft that the agency had previously sent to the Martian surface.
A long-ago stellar baby boom in the Milky Way sparked a flowering and crashing of life here on Earth, a new study suggests.
Scientists now have evidence that dark energy has been around for most of the universe's history.
It’s believed that the moon hasn’t experienced any volcanic activity for at least three million years, but a new look at some old evidence suggests otherwise.
The first female private space explorer, Anousheh Ansari, lit up a New York City Art Studio with her smiles, all 17 of them, earlier today.
Earth's recent warming trend might in part be due to a lack of starlight reaching our planet, scientists say.
Our giant neighboring galaxy, Andromeda, was involved in a head on collision with the dwarf galaxy, M32, some 210 million years ago, scientists announced today.
A leading British rocket manufacturing company unveiled its first prototype rocket last Thursday at Salford University, UK.
A star, up to 20 times more massive than our Sun, forms by having material fall inward from a whirling doughnut shaped disk of gas and dust.
The galaxies existed less than a billion years after the Big Bang and support the theory that modern, large galaxies were formed by the mergers of smaller ones.
In an interview with SPACE.com Ansari discusses the hardest part of her training, the most anticipated part of her trip, and why she takes offense to the term "space tourist."
New simulation results show that one of every three known planetary systems might harbor Earth-like planets.
In an interview with SPACE.com, the new IAU president discusses the controversies surrounding the agency.