Two ISS astronauts will be outside the space station beginning about 8 a.m. EDT (12:00 UTC) on March 30. The spacewalk is expected to last about 6.5 hours. Links to live viewing here.
The launch window for the reused - "flight proven" - Falcon 9 rocket opens at 18:27 EDT (22:27 UTC) on March 30. There's a two-and-a-half-hour launch window. Links to the live launch here.
The last remnant of a once-enormous ice sheet will be gone in about 300 years, according to a new study. Scientists say warming temperatures are the reason.
What happens when a star with about our sun's mass spirals into a black hole? With the distant event known as ASASSN-14li, astronomers have figured out some details.
The Orion Nebula - 1,400 light-years away- is the closest star formation region to Earth. This image is the latest in the Hubble Space Telescope's collection.
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.