Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west to east across the globe. Here's everything you need to know to plan an exqu...
A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth....
Solar system comets are often at their brightest as they draw close to the sun...
The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico....
Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas....
Our 2026 skywatching guide includes a total solar eclipse, a "blood moon" and a festive supermoon. Here are the dates you need to know....
3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers....
In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, and there's a small chance it could be seen with the naked eye....
Starlink satellites with solar arrays deployed. | Image: SpaceX After one of its Starlink satellites exploded and another narrowly avoided colliding with a Chinese satellite, SpaceX says it will lower...
Hi HN, I've been exploring various applications of formal methods to ML/interpretability and I've been hoping to get more eyes on the approach. I have been working on a small interpretability project ...
📋 Key Facts ✓ A bevy of comets were skywatching highlights in 2025. ✓ A "blood moon" total lunar eclipse occurred as a major ...