A single asteroid impact may explain the appearance of Mars' moon Deimos
Deimos, the smaller and outermost of Mars' two moons, is roughly oval in shape and has a deep depression at its south pole. Unlike its heavily scarred sister moon, Phobos, Deimos …
'Hidden stars' suggest that distant galaxies are much more massive than they appear
Astronomers have discovered that the most massive galaxies in the early universe contain far more small stars than expected. As a result, these early galaxies were likely much mor…
Forget 'Halo' — the latest 'Futurama' episode has a ring world covered in super-intelligent rats (exclusive)
"A ring-shaped world shaped like a ring! I shall call it Wheel World."
NASA astronaut and 1st female French spacewalker remove failed ISS antenna but run out of time for replacement
NASA astronaut Anil Menon and first female French spacewalker Sophie Adenot removed a failed antenna but ran out of time to install its replacement at the International Space Stat…
NASA’s LRO Images Falcon 9 Crater on Moon, Learns New Details
Between Aug. 11 and 12, NASA’s Lunar Reconnaissance Orbiter (LRO) captured a series of images of a new crater on the Moon. The crater formed on Aug. 5, when a SpaceX Falcon 9 uppe…
NASA Student Aviation Challenge Focuses on Nation’s Infrastructure
NASA’s next Gateways to Blue Skies competition invites collegiate teams to imagine innovative new ways aircraft could inspect land-based infrastructure, such as bridges and tunnel…
Starship lives! SpaceX craft arrives at Christmas Island after 24-day ocean ordeal
After Starship's test launch and splashdown last month, SpaceX recovery teams have successfully tugged the vehicle through a turbulent stretch of the Indian Ocean and arrived at c…
NASA's SkyFall Mars helicopters will feature a revolutionary antenna design
From 2021 to 2024, NASA's Ingenuity helicopter became the first vehicle of its kind to explore the Martian atmosphere and surface. With that proof of concept complete, NASA is pre…
Watch SpaceX launch its 100th mission of the year tonight
SpaceX will launch its 100th mission of the year tonight (Aug. 18), and you can watch the action live.
ISS hosts first spacewalk by a Frenchwoman
Sophie Adenot became the first French woman astronaut to venture outside the International Space Station for a spacewalk Tuesday, accompanied by American astronaut Anil Menon.
NASA’s B777 Gets New Coat of Paint
NASA’s Boeing 777 shows off a new paint job in this Aug. 11, 2026, photo. The B777 was acquired to replace and extend the capabilities of the NASA DC-8, which was retired in 2024.…
Hydrogen-powered 'rocket car' tops 400 mph in record-breaking test (video)
The JCB Hydromax vehicle averaged more than 400 mph during two runs in Utah last week, becoming the fastest hydrogen-powered car in history.
NASA Glenn’s Legacy Forged Through Decades of Flight Research
Many of NASA’s most important aerospace breakthroughs that began in the laboratory were ultimately proven in the sky. For decades, experts at NASA’s Glenn Research Center in Cleve…
Hubble, James Webb team up to capture the 'Black Eye Galaxy' | Space photo of the day for Aug. 18, 2026
The "Black Eye Galaxy" is captured in a gorgeous new composite image from the Hubble and James Webb space telescopes.
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
A beginner’s guide to observing the night sky with a manual telescope
A telescope can help you explore the night sky, but only if you know how to use it.
Webb captures clearest image yet of the Lion Nebula
The NASA/ESA/CSA James Webb Space Telescope recently imaged NGC 2392 (also known as the Lion Nebula), named for its distinctive appearance, which resembles a lion's face seen head…
It's harder to poop in space. Scientists may finally know why
Spaceflight can do strange things to the human body — including making it harder for astronauts to poop.
Ruby-forming mineral found by Mars rover hints at violent impacts
So far, most of the minerals found on Mars tell a story of lava poured out by ancient volcanoes, followed by long stretches in which water trickled through and slowly reshaped the…
Nuking an asteroid on short notice could save us
Readers of a certain age will remember a golden era of asteroid films, capped by two with very different endings. "Deep Impact" drove home the devastating consequences of letting …
See gorgeous views of the Aug. 12 total solar eclipse captured from space
Orbiting spacecraft captured incredible views of the moon's shadow darkening Earth during the Aug. 12 total solar eclipse.
APOD: 2026 August 18 – Perseids from Perseus
APODScienceAPODAPOD: 2026 August 18 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a …
Watch European astronaut make history during spacewalk today
On Aug. 18, European Space Agency astronaut Sophie Adenot will become the first French woman ever to perform a spacewalk, and you can watch the historic action live.
Lala Batters Hawaii
The powerful storm delivered extreme rainfall and damaging winds to the state, passing the Island of Hawaiʻi as a category 1 hurricane.