Just one day after arriving in orbit around Mars, the United Arab Emirates' (UAE) first interplanetary spacecraft, Hope, captured a stunning photograph of the Red Planet.
A weird, super-powerful particle that's not truly a particle could have dominated the universe when it was just a second old, releasing a flood of ripples that permeated all of space-time.
When the plasma of the Van Allen belts drops in density during a solar storm, it can set up the perfect conditions for electrons to travel nearly as fast as light.
Three new spacecraft are due to arrive at Mars this month, ending their seven-month journey through space.
NASA's next Mars rover is about to touch down! See Space.com's complete coverage of the Feb. 18 landing of the Mars 2020 rover Perseverance.
What we’re looking for is evidence of past life, either direct chemical or organic signs in the composition and the chemistry of rocks, or textural evidence in the rock record.
Scientists are finally figuring out how much dark matter — the almost imperceptible material said to tug on everything, yet emit no light — really weighs.
Spectacular space rocks from Mars and the moon could fetch hundreds of thousands of dollars at a Christie's auction.
China's Chang'e 4 spacecraft are back in action for a 27th lunar day on the far side of the moon, but its the discoveries from its day that have scientists excited.
China has released epic video footage from the Tianwen-1 spacecraft as it made a close approach to Mars this week.
The globular cluster NGC 6397, a conglomeration of stars about 7,800 light-years from Earth, likely harbors a clump of small black holes at its heart, a new study reports.
The mystery at the heart of an unexplained, bright point of gamma-ray light in the sky has been solved: a violent, whirling redback.
A distant galaxy in the newborn universe essentially resembles a grown adult when it should just look like a small child, suggesting galaxies may evolve more rapidly than we thought.
Astronomers have now collected enough additional data to confirm the existence of Farfarout and nail down its orbit.
Scientists have spotted the first evidence of a rare Higgs boson decay, expanding our understanding of the strange quantum universe.
NASA's flagship Mars rover Perseverance is one week away from landing on the Red Planet and a new video shows how it works.
The upcoming documentary "Black Holes: The Edge of All We Know" explores the many meanings of black holes and the Event Horizon Telescope's pioneering photo. See a trailer for the film here.
It's a busy February for Mars, with three probes from three separate space agencies arriving at the red planet over the course of just nine days. Here's why.