The math on this image is insane.
New Horizons transmitted at 2,000 bits per second from 3 billion miles away. Slower than a 1990s dial-up modem. It took 16 months to download all the flyby data.
The spacecraft had to hit a target box 100km wide, arriving within 150 seconds of schedule, after 9 years of flight. Miss it and the preloaded observation commands point at empty space.
Ten days before arrival, the spacecraft crashed and went into safe mode. Engineers had 72 hours to restore everything.
The probe is now 5 billion miles out, still whispering data back to Earth. We got 50 gigabits of Pluto photos using technology slower than your phone’s bluetooth.
There’s something about 1970s space concept art that still feels unmatched. The grainy airbrush textures, glowing planets, brutalist space stations, orange sunsets on alien worlds, and retro-futuristic optimism made the future look strangely beautiful.
Some Saharan sandstorms are so massive they can be seen from space stretching across entire countries. Every year, the Sahara sends hundreds of millions of tons of dust across the Atlantic, helping fertilize the Amazon rainforest thousands of miles away.
Credit: NASA Astronaut Ricky Arnold/JSC
Since Interstellar hit theaters in 2014, over 11 years have passed on Earth. But on Miller’s Planet—where 1 hour equals 7 Earth years—that’s just 1.5 hours. In the time we’ve watched the movie, debated it, and aged a decade… Cooper and the crew would still be wading through waist-deep water.
15 years ago today, Endeavour launched into space for its 25th and final time. STS-134, the penultimate mission of NASA’s Space Shuttle program, delivered the Alpha Magnetic Spectrometer-2 and critical supplies to the space station.
Uranus is showing off its accessories. ✨
This James Webb Space Telescope image reveals the planet’s glowing rings, some of its moons, and even distant galaxies in the background.
A cold, fast-spinning world full of surprises.
📷: NASA, ESA, ASC
On August 15, 1977, a radio telescope in Ohio detected a powerful, narrowband radio signal lasting 72 seconds. It was so striking that astronomer Jerry Ehman circled it and wrote “Wow!”—hence the name. The signal came from the direction of the Sagittarius constellation and matched what scientists imagined an alien transmission might look like. Despite many attempts, it’s never been heard again. No natural or human-made source has been definitively linked to it. To this day, the Wow! Signal remains one of the most compelling space mysteries.
Here are just a few moments captured from orbit:
1. Hurricane Henriette, North Pacific (11 Aug 2025)
2. The Bahamas, Caribbean Sea (09 Oct 2025)
3. Alexandria, Egypt (18 Aug 2025)
4. Patagonia, Chile / Argentina (22 Mar 2026)
5. Grand Canyon, USA (07 Feb 2026)
6. Sahara, Algeria (05 Apr 2026)
7. Sunrise over the Mexico (13 Aug 2025)
📹 Sen
Daphnis is a tiny moon of Saturn, only about 8 kilometers wide, but it plays a dramatic role in shaping Saturn’s rings. It orbits within the Keeler Gap, a narrow 42-kilometer-wide gap inside the A ring. As it moves, its gravity pulls on the ring particles at the gap’s edges, sculpting distinctive ripples and waves that can rise as high as 1.5 kilometers above the ring plane. These patterns shift with Daphnis’s orbit, making the moon look like a cosmic artist carving waves in ice. Cassini captured some of the most striking close-ups of Daphnis before plunging into Saturn in 2017, showing its crisp edges and the sculpted ring material trailing behind it.
A mix of real photos, renderings and simulation video
BREAKING: The largest high-resolution 3D map of the Universe is now complete!
Mapping more than 47 million galaxies and quasars, @DESISurvey has produced the largest high-resolution 3D map of the Universe ever made.🤯
Researchers will use that map to explore dark energy, the fundamental ingredient that makes up about 70% of our Universe and is driving its accelerating expansion. By comparing how galaxies clustered in the past with their distribution today, researchers can trace dark energy’s influence over 11 billion years of cosmic history.
Earlier results from DESI’s first three years of data hinted at something surprising: dark energy, long thought to be constant, may actually be evolving over time. With the full five-year dataset now complete, scientists will now have more information to test whether that hint disappears or grows. This result could reshape our understanding of the Universe and its future.
This is the Hourglass Nebula (MyCn 18) — a dying star’s final exhale, 8,000 light-years away.
Captured by Hubble, this planetary nebula forms its iconic shape as fast stellar winds collide with a slower equatorial gas cloud, forcing expansion at the poles. The blue core? A white dwarf in the making.
This is what happens when a star like our Sun runs out of fuel.
Image: NASA, ESA, Hubble Legacy Archive
