NASA giving update about Artemis moon plans on Oct. 23: Watch it live
NASA will provide an update about its Artemis III mission and its plans to land astronauts on the moon during a press conference on Friday (Oct. 23). Here's how to watch it live.
APOD: 2026 October 22 – The First Green Star, WD J1330+6435
APOD Science APOD APOD: 2026 October 22 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the …
Fires Char New Guinea
Emissions on both sides of the island are unusually high as human-set fires spread in a landscape parched by drought.
Faster to Science: A Letter to the Science Community
NASA Science wants to deliver science faster, so we’re changing how we compete and select missions. On Monday, October 26, we will host a virtual NASA Science Town Hall.
On this day in space! Oct. 21, 2008: India launches its 1st mission to the moon with Chandrayaan-1
1, 2008, the Indian Space Research Organization launched its first mission to the moon. Here's why it mattered.
NASA Conducts RS-25 Engine Test in Support of Future Artemis Missions
NASA tested RS-25 engine No. 10001 on Oct. 21 on the Fred Haise Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. Test teams fired the developmental engin…
NASA JPL Looks to Next 90 Years of Innovation, Exploration
Interstellar probes. Lunar drones. Helicopters on Mars. When a group of Caltech graduate students and enthusiasts began conducting rocket-propulsion tests in Pasadena’s Arroyo Sec…
NASA's CASALS instrument bridges gaps in 3D maps of Earth's surface
A team of researchers at NASA's Goddard Space Flight Center (GSFC) has developed a new instrument designed to eliminate blind spots between lines of lidar data on Earth's surface.…
Sci-fi legend Alan Dean Foster on his new futuristic adventure 'Lost On Paradise': 'It's paradise until you get there, and then maybe you mess it up' (interview)
'Maybe Paradise isn’t always Paradise.'
Hubble observations challenge supernova winds' role in cosmic reionization
An international team of researchers, including members from the University of Michigan, has revealed surprising results that could rewrite our understanding of a key transition i…
Reexamined Viking 2 signal reveals possible marsquake from region active decades later
Earthquakes and the seismic waves they generate provide some of the best clues to Earth's interior. To extend that success to other worlds, scientists placed seismometers on the A…
NASA to Conduct NCAA Flyover, Engage Fans at University of Alabama
As part of the agency’s Inspiration Tour, NASA will conduct a flyover at the University of Alabama vs. Texas A&M football game in Tuscaloosa, Alabama, on Saturday, Oct. 24. NASA A…
Tracks Along the Longest Drive on Another World
Written by Vandi Verma, Chief Engineer for Robotic Operations at NASA’s Jet Propulsion Laboratory Oct. 12, 2026 Since the last blog update, Perseverance has achieved a major miles…
Science on the Space Station with NASA Astronaut Jessica Watkins
NASA astronaut and Expedition 75 flight engineer Jessica Watkins works inside the Kibo laboratory module’s Life Science Glovebox on Oct. 9, 2026, safely mixing living cell samples…
"A great budget lens for astrophotography, the sharpness produced at f/1.8 and f/2.8 is exactly what you want." Viltrox AF 16mm f/1.8 FE lens review
The Viltrox AF 16mm f/1.8 FE is an impressive ultra-wide-angle prime lens offering great handling, build quality and image quality for an affordable price.
Space botanist conducts plant experiments in orbit | Space photo of the day for Oct. 21, 2026
NASA astronaut Luke Delaney conducts botany experiments on the ISS.
Astronomers uncover the engine behind the most powerful stellar flares in the Kepler field
A new study led by researchers at the Konkoly Observatory of the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) in Budapest has revealed what makes a dist…
When will SpaceX and Blue Origin fly to the moon? NASA reveals lunar lander timelines (and an Artemis III update)
NASA has updated the timeline for its Artemis III mission and mapped out the expected progress for SpaceX and Blue Origin's respective moon landers.
NASA’s CASALS Instrument Bridges Gaps in 3D Maps of Earth’s Surface
From orbit, today’s space-based laser instruments measure Earth’s forests and terrain one narrow line at a time. Between those lines are enormous gaps that include millions of acr…
Orionid meteor shower peaks tonight: Here's the best time to spot shooting stars
The Orionid meteor shower peaks tonight (Oct. 21-22) in the light of a waxing moon. Here's what to expect from one of Autumn's greatest natural light shows.
Russian satellite plays 'cat-and-mouse' with a commercial US spacecraft likely used by Ukraine. But why the risky close encounter?
A Russian satellite just conducted a startlingly close approach of a private American Earth-observing satellite. What was the goal of the controversial maneuver?
SpaceX turns a profit after a string of losses as its satellite and computer leasing businesses soar
SpaceX reported a bigger quarterly profit than expected Tuesday as its satellite communications operations and its business of leasing computing power to other companies boomed.
APOD: 2026 October 21 – New Ghosts Revealed in Cassiopeia
APOD Science APOD APOD: 2026 October 21 – New… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the …
Extratropical Cyclone Whips Past Iceland
The powerful low-pressure system formed over the North Atlantic out of the remnants of Hurricane Isaias.