Stories by SPACE.com

"Cryovolcanism" and other curious features mark the dwarf planet as a surprisingly active and complex world

 A massive smoke cloud billows from Cape Canaveral

Scientists are investigating a signal from 94 light-years away that could have been created by aliens, but more likely results from an Earth-orbiting satellite or other contamination

The spacecraft's closest-ever swoop over Jupiter's clouds offers a new view of the giant planet's north pole

Six “astronauts” spent 12 months in a dome or wearing space suits on a barren volcano  

A new study questions whether “habitable zone” planets can sweat off internal heat 

Astronomers say ultradiffuse or “fluffy” Dragonfly 44 shouldn’t be able to hold itself together with so few stars 

Challenges facing Elon Musk’s project include getting return-trip fuel from Martian resources  

Evidence of additional mini outbursts leading up to the so-called classical nova provides the first direct evidence for the nova hibernation hypothesis, which suggests a cyclical evolution of such stars

The OSIRIS-REx spacecraft is expected to return a pristine sample of the potentially hazardous space rock Bennu to Earth in September 2023

The private spaceflight company has landed its Falcon 9 rocket for the sixth time in the last eight months

For the first time, human beings will hear sounds from the Red Planet's surface

Jupiter's shadow makes this volcanic moon's atmosphere freeze solid once per day

Government approves robot mission for Moon Express, which wants to mine our satellite 

A new study of cometary geology shows the objects are relics from the primordial solar system

NASA's OSIRIS-REx mission will reveal just how threatening this near-Earth asteroid could be

Hottest temperatures ever seen on the planet found above the gigantic storm 

4,500-meter range pushes watery clouds upward in the strange “Fountain of Aphrodite” phenomenon

The most sensitive search yet for the mystery substance draws a blank after 20 months

One is likely 10 percent warmer than Earth, the other 6 percent cooler

Company racks up its 5th rocket landing in a cargo launch to the Space Station

Look up into a dark sky in mid-August to see more than 150 meteors per hour

The images of water frost forming around the young star V883 Orionis offer new insights into planet formation

Image takes in the Great Red Spot, cloud belts and three big moons