If we find life beyond Earth, how will nations respond?
A super-closeup view of Mars meteorite ALH84001, found in Antarctica. What is that famous sub-micron-scale wormlike structure? If…
Good news! Here’s where light pollution is getting better
NASA data from 2014 to 2022 shows light pollution is getting better in some areas. Locations shown in…
Life’s genetic code just discovered in asteroid samples
A sample of the asteroid Ryugu. The Japanese mission Hayabusa2 brought it back to Earth in 2020. A…
Oldest wooden tools yet unearthed found in southern Greece
Artist’s concept of a paleolithic woman producing a digging stick from a small alder tree trunk, the kind…
Transient flashes in ’50s sky plates still puzzle scientists
The 48-inch (1.2 m) Samuel Oschin Telescope at Palomar Observatory. This telescope was used in the 1st Palomar…
1 to 2 Starlink satellites are falling back to Earth each day
Currently, there are 1 to 2 Starlink satellites falling back to Earth each day. Soon there will be…
After the International Space Station, what comes next?
NASA has said the International Space Station will cease operations at the end of 2030. What will replace…
Supernova 1181 was described in an ancient Arabic poem
Many astronomers think Pa 30, a nebula in Cassiopeia (above), is the remnant of supernova 1181. A merger…