File: A SpaceX Falcon 9 rocket stands in launch position at Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base ahead of the launch of the NROL-57 mission. Image: SpaceX
SpaceX is preparing for lunchtime launch from Vandenberg Space Force Base Thursday afternoon.
We don't often get a good look at X-class solar flares from ground-based observatories.
Check out the PC Gaming Show: Most Wanted stream and see the sci-fi and space games you'll be playing in 2026 and beyond.
A mishap during the successful Nov. 27 launch of three astronauts damaged the only pad that currently supports Russian crewed orbital liftoffs. How long before things are back up and running again?
Image: Comet 3I/ATLAS shows activity in Juice navigation camera teaser
The Geminid meteor shower is active from Dec. 4 and hits its peak on the night of Dec. 13-14.
Technicians with NASA’s Exploration Ground Systems team use a crane to lift and secure NASA’s Orion spacecraft on top of the SLS (Space Launch System) rocket in High Bay 3 of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Saturday, Oct. 18, 2025, for the agency’s Artemis 2 mission. Image: NASA/Kim Shiflett
The four astronauts who are to fly a loop around the Moon next year on the Artemis 2 mission were supposed to board their Orion capsule on Nov. 19 for a launch day rehearsal, but a problem with the spacecraft’s hatch delayed the practice run, NASA told Spaceflight Now.
The EURECA spacecraft flew on the space shuttle Atlantis in 1992.
A new joint analysis from the NOvA and T2K experiments offers the most precise look yet at neutrino behavior, bringing scientists closer to understanding why the universe is made of matter.
An idea for the stubborn winter stargazer on your holiday list (especially if it's you!)
Searching for technosignatures - signs of technology on a planet that we can see from afr - remains a difficult task. There are so many different factors to consider, and we only have the technological capabilities to detect a relatively small collection of them. A new paper, available in pre-print on arXiv but also accepted for publication into The Astrophysical Journal Letters, from Jacob Haqq-Misra of the Blue Marble Space Institute of Science and his co-authors explores some of those capabilities by using a framework they developed known as Project Janus that estimates what technology will look like on Earth 1,000 years from now in the hopes that we can test whether or not we can detect it on another planet.
See a stunning supermoon take flight on Dec. 4.
What can an exoplanet leaking helium teach astronomers about the formation and evolution of exoplanet atmospheres? This is what a recent study published in *Nature Astronomy* hopes to address as an international team of scientists investigated atmospheric escape on a puffy exoplanet. This study has the potential to help scientists better understand the formation and evolution of gas giant planets, specifically with many gas giant planets observed orbiting extremely close to their stars.
Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait for a long-period comet to arrive in the inner Solar System then set off on a trajectory to rendezvous with it. These objects are ancient and primordial, carrying material largely unaltered by time that holds clues to how the Solar System formed.
Billionaire private astronaut Jared Isaacman didn't mince words Wednesday (Dec. 3) during his second hearing before the Senate committee considering his nomination for NASA administrator.
The final full moon of 2025 rises on Dec. 5.
Blue Origin's next space tourist launch will make history, sending a wheelchair user to the final frontier for the first time.
‘I wanted to elevate it. I didn’t want to do it like the original 'Battlestar Galactica' or 'Babylon 5.''
Whenever a new telescope is about to begin observations, scientists say they're looking forward to finding answers to some outstanding questions. After all, each new telescope is deliberately designed to address some of these questions. But they also remark that new telescopes inevitably reveal new surprises, and how excited they are to confront those surprises. When it comes to the JWST, both of these expectations have come true.
Why is the gravitational-wave background — the hum made by supermassive black holes colliding across the universe — stronger than expected?
A cosmic ray from a faraway supernova explosion may have sent a packed passenger jet into free fall in late October, forcing an emergency landing.
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