
This weekend’s scheduled Blue Origin rocket launch is rather momentous. Success would signal an end to SpaceX’s monopoly on reusable orbital launch vehicles, and set up a three-way race to make that “No Service” indicator on your phone disappear forever. On Sunday morning, Jeff Bezos’ massive New Glenn rocket is scheduled to launch with the […]
Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
Comet Pan-STARRS, also known as comet C/2025 R3 (Pan-STARRS), is visible before sunrise until this weekend. Here’s how, when and where to find it on April 18-19.
Tokyo is succeeding where the rest of the world has failed, reducing its reliance on Beijing for crucial rare earth elements—thanks to an enormous underwater deposit discovered on a remote island.
The Lyrid meteor shower peaks April 21-22, with up to 20 meteors per hour under dark skies — and 2026 offers near-perfect viewing conditions.
A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.
If we’re racing to build machines that are both more intelligent than we are and increasingly autonomomous, then we’re building agents that are functionally sovereign
Every single tiny point on the map is a galaxy.
Are parrots competing with native bird species for essential resources or are they living in unexploited ecological spaces?