NASA releases supernova time lapses
NASA recently released two new films that offer a fascinating look at the transformations taking place in two iconic celestial sources: Cassiopeia A and the Crab Nebula. Both represent the remnants of massive…
Spiders photographed on Mars?
In fact, these formations are not actually spiders that have been photographed on Mars. The small, dark shapes emerge when spring sunlight hits layers of carbon dioxide deposited during the dark months of…
Why a Gravitational Wave Observatory on the Moon?
Scientists detected the first long-predicted gravitational wave in 2015, and researchers have been eager for better detectors ever since. But Earth is hot and seismically noisy, and this will always limit the effectiveness…
NASA reestablishes communication with Voyager 1
The venerable Voyager 1 spacecraft is finally calling home again. This comes as a huge relief to mission engineers, scientists and Voyager fans around the world. On November 14, 2023, the aging spacecraft…
There was a comet close to the Sun during the eclipse
Any dedicated “umbrophile” will tell you: no two eclipses are exactly alike. The weather, solar activity, and the simply expeditionary nature of reaching and remaining in the Moon’s shadow for those brief moments…