The Caldor Fire, one of the largest in California's history, has been blazing since Aug. 14, 2021.
A flaming blue sword seems to pierce a giant cosmic heart in a gorgeous new photo captured by the Hubble Space Telescope.
There's no consensus yet on how supermassive black holes form, but a new mesmerizing simulation is taking a crack at that question like never before.
A new theory suggests dark matter may have come from quantum bags that got squished together in the early universe.
The sheer size of Hurricane Ida when it made landfall on Sunday was clearly visible from a NOAA satellite 1 million miles away.
The robotic Dragon capsule delivered about 4,800 lbs. (2,200 kilograms) of supplies and scientific gear to the orbiting lab.
These planets are mostly made of gas, but a spaceship would have a rough time trying to get through a giant planet like Jupiter or Saturn.
By entangling the motion and quantum properties of a beryllium crystal, scientists have achieved unprecedented precision for measuring electromagnetic waves.
Astronomers detected the radio 'colors' of a fast radio burst (FRB) for the first time, proving that the source was not a binary star system.
Massive crowds converged at Hamid Karzai International Airport before explosions there killed and injured dozens on Thursday (Aug. 26).
Martian 'blueberry' stones may hold evidence of the planet's watery past, a new study of similar minerals on Earth suggests.
Comets from other star systems, such as 2019 Borisov, visit the sun's neighborhood more frequently than scientists had thought, a new study suggests.
A new simulation predicts that the lost giants were dislodged by gigantic collisions and have wandered the outskirts of galaxies ever since.
Researchers show how intelligent aliens might draw nearly-limitless power from a black hole using a Dyson sphere.
These days, it feels as though billionaire-backed space companies are launching off Earth all the time. So why does Jeff Bezos' Blue Origin seem to be in the hot seat?
SpaceX's Starship system is the most powerful rocket yet. Here are some of the key moments in its history as the rocket and spacecraft get ready for the first orbital test.