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
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Closest space rock this week
2010 FX9
The cosmos right now
NASA Picture of the Day
Comet NEOWISE Rising over the Adriatic Sea
This sight was worth getting out of bed early. Just over four years ago, Comet C/2020 F3 (NEOWISE) rose before dawn to the delight of northern sky enthusiasts awake that early. Up before sunrise on July 8th, the featured photographer was able to capture in dr…
Upcoming Rocket Launches
Falcon 9 Block 5 | O3b mPower 11-13
Vega-C | Sentinel-3C & FLEX
Zhuque-2E Block 2 | Unknown Payload
Gravity-1 | Unknown Payload
Falcon 9 Block 5 | USSF-259
Soyuz 2.1b | Progress MS-35 (96P)
Long March 12 | Unknown Payload
Kuaizhou 11 | Unknown Payload
Starship | Flight 14
Long March 2D | Unknown Payload
Falcon 9 Block 5 | Starlink Group 15-27
Electron | LOXSAT 1
Falcon 9 Block 5 | Crew-13
Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A
Long March 12A | Flight 2
Asteroids Passing Earth This Week
2010 FX9
2018 VG
2019 GM1
2007 QE3
2018 MC5
2019 SQ8
Latest space news
NASA · today
APOD: 2026 September 13 – Comet NEOWISE Rising over the Adriatic Sea
APOD Science APOD APOD: 2026 September 13 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cos…
NASASpaceflight · today
Europe’s commercial launch sector picking up the pace
European Spaceflight · yesterday
First HyPrSpace Baguette One Launch Slips to 2027
NASA · yesterday
Help Refine Data from Space Telescopes with Artifact InSPECtor
NASA · yesterday
NASA’s Chandra Spots Galactic Gem
Arstechnica · yesterday
NASA moving at warp speed to set up US Space Academy
NASA · yesterday
NASA’s SpaceX Crew-12 to Discuss Station Mission, Upcoming Return
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.