2025-07-23

The Next Planet Parade Takes Place at the End of August. Here's How to See It

Eagle-eyed sky watchers will be able to catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time. [...]

2025-07-23

Anker Nebula X1 projector review: The king of outdoor movies, if you can afford it

My dream projector delivers the brightest and sharpest image. But it also has to be easy to move around and set up anywhere — especially outdoors. Anker’s Nebula X1 long-throw projector promises a [...]

2025-07-22

Win for chemical industry as EPA shutters scientific research office

Companies feared rules and lawsuits based on Office of Research and Development assessments. [...]

2025-07-22

Marine biologist for a day: Ars goes shark tagging

Go shark fishing on the RV Garvin, get hooked on the ideas behind it. [...]

2025-07-22

Is Your Iced Coffee Making You Dehydrated in the Summer Heat? I Asked the Experts

People are often advised to stop drinking caffeine when it's hot out. I contacted three experts to find out if that's based on science. [...]

2025-07-22

LA’s Museum of Jurassic Technology damaged by fire

The fire gutted the museum's gift shop and caused significant smoke damage to several exhibits. [...]

2025-07-22

Newly Discovered ‘Infinity Galaxy’ Could Prove How Ancient Supermassive Black Holes Formed

This collision of two galaxies could demonstrate that theorized “direct collapse black holes” exist. [...]

2025-07-22

Conspiracy theorists don’t realize they’re on the fringe

Gordon Pennycook: "It might be one of the biggest false consensus effects that's been observed." [...]

2025-07-22

You Can See Two Meteor Showers at Once In July's Night Sky. Here's How to Catch a Glimpse

Peaking at their full glory on the same day in July are the Alpha Capricornids and Southern Delta Aquariids meteor showers. Here's when to look up. [...]