The –est
- Space
Meet Porphyrion, the largest pair of black hole jets ever seen
The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.
- Astronomy
The earliest known galaxy merger occurred shortly after the Big Bang
Telescopes show two distant blobs of stars and gas swirling around each other in the young universe.
- Archaeology
The oldest known astrolabe was used on one of Vasco da Gama’s ships
A navigational device for taking altitudes at sea was found in a Portuguese shipwreck in the Arabian Sea and dates back to 1496.
- Archaeology
A 2,000-year-old tattoo tool is the oldest in western North America
The artifact is made of two pigment-stained cactus spines, and has been sitting in storage since its discovery in 1972.
