A SpaceX Falcon 9 rocket stands at Space Launch Complex 40 at Cape Canaveral Space Force Station ahead of the planned launch of SES’ ninth and tenth O3b mPOWER satellites. Image: SpaceX
Update July 21, 5:52 p.m. EDT: SpaceX scrubbed the launch, targeting Tuesday, July 22.
The Orion Nebula, the Pleiades and the Hyades open clusters could represent the different phases of star clusters: baby, adolescent and elderly.
Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.
Propstore will also trot out this rare relic for a 3-city press tour this August
Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that has persisted for millennia.
Germany's Isar and RFA, France's Maiaspace, Spain's PLD Space, and UK-based Orbex have been pre-selected for ESA's €169 million launcher initiative.
"There's some great targets in the southern hemisphere, including the Carina Nebula."
Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.
Astronomers have discovered a baby exoplanet "spiral architect" carving complex swirls into a disk of gas and dust around the young star HD 135344B.
Our planet has been rotating at its fastest since records began in 1973.
South Korea just laid out its long-term space exploration road map, which features the planned construction of a moon base two decades from now.
Scientists have grown algae in bioplastic habitats under Mars-like conditions, a step that could bring long-term space colonization closer to reality.
Find the locations of the five landing zones considered as the setting for humanity's first steps on another world.
Supernovas, kilonovas, gamma-ray bursts... oh my! The Nancy Grace Roman Space Telescope will uncover 100,000 of these explosions and many more powerful and violent cosmic events.
The moon's crescent limb will cloak and uncover stars from the iconic cluster before sunrise.
On Episode 169 of This Week In Space, Rod Pyle and Tariq Malik are joined by JPL Chief Engineer Emeritus Rob Manning to look back at the Mariner 4 Mars mission 60 years later.
From "Star Wars" film sets to baboons in Saudi Arabia, here's how to experience the "eclipse of the century" in style on Aug. 2, 2027.
Blue Origin's powerful New Glenn rocket now has a payload for its second-ever flight —NASA's ESCAPADE Mars mission.
The new TRACERS mission will track magnetic reconnection that drives particles down into Earth's atmosphere when space weather turns bad.
A SpaceX Falcon 9 rocket carrying 24 Starlink satellites launched from Vandenberg Space Force Base in California on Friday, July 18, 2025.
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