You Never See the Sun Where It Actually Is — Only Where It Was 8 Minutes Ago
Light takes time to travel, so every glance into space is a glance into the past. The night sky shows stars as they were years, even millennia, ago.
Today’s hidden fact · Sunday, August 9, 2026
Voyager Is the Farthest Human Object Ever — and It Still Calls Home Daily
Voyager 1 is over 24 billion km away, so far its radio signal takes 22+ hours to arrive, sent by a transmitter weaker than a refrigerator bulb.
74 hidden facts to explore
15 launches on the horizon
6 asteroids passing this week
Daily updates, with no humans involved
Right now in space
The Space Station LIVE
A football-field-sized lab, falling around Earth at 8 km every second.
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Humans off Earth right now
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ISS Oleg Kononenko · Nikolai Chub · Tracy Caldwell Dyson · Matthew Dominick · Michael Barratt · Jeanette Epps · Alexander Grebenkin · Butch Wilmore · Sunita Williams
Tiangong Li Guangsu · Li Cong · Ye Guangfu
Next rocket leaves in
–days
–hrs
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Closest space rock this week
2018 GS1
The cosmos right now
NASA Picture of the Day
NASA Science
Is our universe haunted? It might look that way on this dark matter map. The gravity of unseen dark matter is the leading explanation for why galaxies rotate so fast, why galaxies orbit clusters so fast, why gravitational lenses so strongly deflect light, and …
Upcoming Rocket Launches
Falcon 9 Block 5 | Starlink Group 15-16
Falcon 9 Block 5 | Starlink Group 15-18
GSLV Mk II | IRNSS-1L (NVS-03)
Long March 12A | Flight 2
Electron | The Sea God Surveys (iQPS Launch 9)
Falcon 9 Block 5 | Starlink Group 15-21
Falcon 9 Block 5 | NROL-195
Electron | The Mountain God Rises (iQPS Launch 10)
Ariane 64 Block 2 | Amazon Leo (LE-04)
Soyuz 2.1b | Progress MS-36 (97P)
Long March 2F/G | Shenzhou 24
Falcon 9 Block 5 | Cygnus CRS-2 NG-25
LVM-3 | Gaganyaan-1
Mir | Demo Flight
PSLV-XL | TDS-01
Asteroids Passing Earth This Week
2018 GS1
2004 TP1watched by NASA
612856 2004 TP1watched by NASA
2017 UQ7
2015 WZ12
516803 2010 JG88
Latest space news
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APOD: 2026 October 24 – Rosetta’s Selfie
APOD Science APOD APOD: 2026 October 24 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmo…
NASASpaceflight · yesterday
NASA Artemis Update: SLS Stacking, Sortie Suit, Dual 2028 Paths
Arstechnica · yesterday
NASA updates lander plans for Moon landings, finally solves long-festering Orion issue
SpacePolicyOnline.com · yesterday
NASA is Full Steam Ahead on Artemis III, IV and V
NASA · yesterday
NASA, Partners Accelerate Lander Development for 2028 Moon Missions
NASA · yesterday
NASA’s Artemis III Mission to Test Future Moon Lander Operations
NASA · yesterday
NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza
Don't just read the universe — play with it
The Journey
Scroll from your rooftop to the edge of the observable universe. Every stop is real.
Begin the voyage →Live Orrery
The real solar system, computed from orbital mechanics. Scrub time and watch the maths.
Run the simulation →Daily Quiz
Five questions, one round a day, same for the whole planet. Build your streak.
Play today's round →How Big Is It?
Put Earth next to the Sun. Then next to a black hole. Watch your brain give up.
Compare anything →Speak Universe
Black hole, light-year, quasar — every space term, explained like a human.
Learn the language →More facts to fall into
We Can Now Hear the Universe — by Detecting Ripples in Spacetime Itself
In 2015 we caught two black holes colliding a billion light-years away, wobbling spacetime by less than the width of a proton. Einstein predicted it a century earlier.
In 1859 a Solar Storm Set Telegraph Offices on Fire — the Next One Could Cost Trillions
The Carrington Event made auroras glow over the tropics and shocked telegraph operators. A repeat today could cripple power grids and satellites worldwide.