ESA has announced some final results sent back by Venus Express obtained when – in the spacecraft’s final months – it surfed in Venus’ dense atmosphere. The data show the planet’s atmosphere to be rippling with atmospheric waves and colder than anywhere on Earth.
Scientists have discovered iron-60, a form of iron only created in supernovae, in moon rocks collected by Apollo astronauts. It supports an earlier finding that – 2 million years ago – a supernova exploded only 300 light-years away.
The 2 meteor showers spawned by the famous Comet Halley. And a word about Isaac Newton’s Vis-viva equation, his poetic rendition of instantaneous motion.
The Crab Nebula, located some 6,500 light years from Earth, marks the remains of a massive star observed to explode as a supernova in AD 1054.
In celebration of Earth Day 2016, we’ve brought together some of our favorite images of Earth by the EarthSky community. Thank you all!
We’ll pass between Mars and the sun just one month from today, on May 22. Watch Mars brighten dramatically between now and then!
A collection of 10 unexpected and intriguing facts about our solar system – our sun and its family of planets – you probably did not know!
Populations of the charismatic orange and black monarch butterfly have plummeted. Will they be extinct in 20 years?
There are several versions this (completely untrue) story, and we’ve gotten many questions about it from within our community, from people wanting to know if it’s true. Here’s the main version: the moon will appear green for the first time in 420 years on April 20, 2016. True? No, not even kinda.
South African astronomers conducting a three-year survey of the distant universe at radio wavelengths have images of supermassive black hole jets in a particular region of space that are all aligned in the same direction. The only way for this alignment to exist is if the supermassive black holes in this part of space are all spinning in the same direction.