On October 6, 1995, astronomers announced the discovery of the first planet orbiting around a distant sunlike star. This planet is known as 51 Pegasi b.
A study suggests our sun is about the lowest mass star that - when it dies - produces a visible, though faint, planetary nebula. What happens when our sun dies.
The Soviet Union launched the Sputnik I satellite into Earth orbit on October 4, 1957. Sputnik’s unassuming beep ushered in the Space Age 65 years ago.
Drought is crippling many regions of the world in 2022, from the US and Europe to China and the Horn of Africa. As waters recede, artifacts are appearing.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.