Nearly a week after launch, space tracking systems were able to locate a mysterious satellite parked in an unusually low orbit. China launched the experimental satellite to test new technologies, but it’s still unclear exactly what it’s doing in its unique inclination. Shiyan-28B 01 launched on July 3 from the Xichang Satellite Launch Center, riding...
Shifting sands have once again revealed mysterious petroglyphs on the shores of a remote group of islands. The carvings appear and disappear depending on the water current, sometimes remaining hidden for years at a time before returning like a divine omen. But they’re not (as far as we know) an auspice, and this isn’t a fantasy movie. The...
A little over a year ago, scientists in Australia picked up a brief burst of electromagnetic radiation. The pulse was so strong that it eclipsed all other signals coming from the sky, but its origins were unknown. After digging through the data, the team discovered that the source wasn’t a distant celestial object but rather a zombie satellite left...
Several Bitcoin whales—investors who hold large amounts of the cryptocurrency — have recently started cashing out after leaving their Bitcoin untouched for more than a decade. Last week, one anonymous whale sold 80,000 Bitcoin for a whopping $9.5 billion. A user on X (formerly Twitter) first flagged the massive transaction, which was later reported...
In the center of our galaxy, gigantic, balloon-like structures of high-energy radiation extend thousands of light-years above and below the Milky Way’s plane. Known as the Fermi bubbles, the massive lobes may have been the result of a violent outburst in our galaxy’s recent past. A new discovery of cold hydrogen clouds embedded inside the bubbles...
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