2+ hour, 56+ min ago  (248+ words) April 14: An Io transit The Moon passes 5" north of Mercury at 3 P. M. EDT. Although the pair rises only shortly before the Sun, the Moon's visibility and Mercury's brightness may allow you to spot them." You'll only have a short window to…...

1+ day, 2+ hour ago  (301+ words) April 13: Io and Europa cross paths Following the events of last night, Io has passed behind Jupiter and come back around in its tight, 1. 77-day orbit to follow in Europa's footsteps, transiting the disk this evening along with its shadow....

17+ hour, 34+ min ago  (214+ words) Astronomy Magazine The lunar eclipse of Sept. 7/8, 2025, was not favorable to observers in the Americas or Europe, but was well-placed for viewers in Asia. Tianyao Yang took the opportunity to capture the silhouette of the Chinese space station Tiangong (or…...

6+ mon, 1+ week ago  (291+ words) Alison earned her bachelor's degree in physics and master's degree in earth, atmospheric, and planetary science from MIT. During this time, she completed several years of research in the field of planetary science, working on research topics that ranged from…...

1+ year, 21+ hour ago  (717+ words) Time under dark skies is precious, and for a lot of us, getting out to those sites can be tough. When we do, often we end up observing alone, or with a few intrepid others at an astronomy club. .. Time…...

4+ mon, 1+ week ago  (266+ words) A paper published in'Astronomy and Astrophysics, details the discovery of a grand-design spiral galaxy that formed just 1. 5 billion years after the Big Bang. Grand design galaxies are similar to the Milky Way in that they display well-formed spiral arms. Prior…...

7+ mon, 6+ day ago  (588+ words) Not long after my mother gave me Stars and Constellations, I found a rather dog-eared copy of Astronomy With an Opera-Glass in the basement of our town's old Carnegie library. The library was opened in 1902, and this book looked like…...

2+ mon, 2+ week ago  (503+ words) Is your favorite mentioned here? What books are we still overlooking? Write us at'astronomyeditorial@astronomy. com with your thoughts! As we read through the many emails, some themes emerged: Several readers agreed with the recommendation of Patrick Moore's guides, for…...

1+ day, 20+ hour ago  (463+ words) Organizations are looking at the problem through three different lenses: preservation, mitigation, and recycling. Organizations " political, scientific, and commercial " are showing interest in going to the Moon. But all trips there have produced trash that has no future use after…...

3+ mon, 2+ week ago  (299+ words) Commissioned by NASA, the 240-page report was released by the National Academy of Sciences, Engineering, and Medicine on Dec. 9, 2025. It represents nearly two years of work by the Committee for a Science Strategy for the Human Exploration of Mars. "The…...