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 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.
A football-field-sized lab, falling around Earth at 8 km every second.
Crew-12 Dragon Jessica Meir · Jack Hathaway · Sophie Adenot · Andrey Fedyaev
Shenzhou 23 Zhu Yangzhu · Zhang Zhiyuan · Lai Ka-ying
Soyuz MS-29 Pyotr Dubrov · Anna Kikina · Anil Menon
2015 TS238

NASA Science
Have you ever seen the full moon rise? This colorful image was photographed last weekend in Sicily, just outside the town of Nicosia, in Italy. It is a composite photograph that shows the Moon rising as the sky turns darker. Lower clouds are reflecting the col…

Falcon 9 Block 5 | Crew-13

Falcon 9 Block 5 | Transporter 18 (Dedicated SSO Rideshare)

Falcon Heavy | NROL-97

SR75 | Flight 2

Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A

Nuri | NeonSat-2 to 6

Long March 12 | Unknown Payload

Falcon 9 Block 5 | Starlink Group 15-25

GSLV Mk II | IRNSS-1L (NVS-03)

H3-24 | Martian Moon eXplorer (MMX)

Ariane 64 Block 2 | Amazon Leo (LE-04)

Falcon 9 Block 5 | Bandwagon 5 (Dedicated Mid-Inclination Rideshare)

Falcon 9 Block 5 | Dragon CRS-2 SpX-35

Long March 12A | Flight 2

SSLV | AayulSAT-1A & others
2015 TS238
2013 HO11
2007 UW1
2019 SW5
2013 TH
2001 SH276

ESA · today
EarthCARE’s view of volcanic plume boosts air safety
When Anak Krakatau erupted a few weeks ago, the European Space Agency’s EarthCARE satellite, orbiting above, captured vertical profiles of different constituents within the volcani…

NASA · today
APOD: 2026 October 1 – Harvest Moon with Erupting Mount Etna

NASA · today
An Agricultural “Island” in the Saskatchewan River Delta

Spaceflight Now · today
Live coverage: NASA, SpaceX to launch next crewed mission to the International Space Station

SpacePolicyOnline.com · today
LTG David Miller Nominated as Next Leader of U.S. Space Command

SpaceNews · today
Galileo Space Is Building Satellites That Turn Signals Into Answers in Orbit

NASA · today
Curiosity Blog, Sols 5016–5021: Fantastic Minerals and How To Detect Them
Scroll from your rooftop to the edge of the observable universe. Every stop is real.
Begin the voyage →The real solar system, computed from orbital mechanics. Scrub time and watch the maths.
Run the simulation →Five questions, one round a day, same for the whole planet. Build your streak.
Play today's round →Put Earth next to the Sun. Then next to a black hole. Watch your brain give up.
Compare anything →Black hole, light-year, quasar — every space term, explained like a human.
Learn the language →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.
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.
The Carrington Event made auroras glow over the tropics and shocked telegraph operators. A repeat today could cripple power grids and satellites worldwide.