Peacock feathers can emit laser beams

2 hours ago

$15 billion in NIH funding frozen, then thawed Tuesday in ongoing power war

2 hours ago

Making Roman concrete produces as much CO - 2 - as modern concrete

3 hours ago

Australia's first orbital-class rocket stalled seconds after liftoff

4 hours ago

EPA plans to ignore science, stop regulating greenhouse gases

1 day ago

The case for memes as a new form of comics

1 day ago

Trump promised a drilling boom, but US energy industry hasn't been interested

1 day ago

The first company to complete a fully successful lunar landing is going public

1 day ago

Trump admin. is muffling CDC's flagship health journal, report finds

2 days ago

Fermented meat with a side of maggots: A new look at the Neanderthal diet

2 days ago

Ars spoke with the military's chief orbital traffic cop—here's what we learned

2 days ago

20 years after Katrina, New Orleans remembers

3 days ago

Robots eating other robots: The benefits of machine metabolism

3 days ago

This aerogel and some sun could make saltwater drinkable

4 days ago

Widely panned arsenic life paper gets retracted—15 years after brouhaha

5 days ago

Rocket Report: Channeling the future at Wallops; SpaceX recovers rocket wreckage

5 days ago

Lawmakers writing NASA's budget want a cheaper upper stage for the SLS rocket

5 days ago

Study sheds light on why some people keep self-sabotaging

6 days ago

SpaceX launches a pair of NASA satellites to probe the origins of space weather

6 days ago

What exactly is Golden Dome? This Space Force general owes Trump an answer.

7 days ago

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

8 days ago

Marine biologist for a day: Ars goes shark tagging

8 days ago

LA's Museum of Jurassic Technology damaged by fire

8 days ago

Win for chemical industry as EPA shutters scientific research office

8 days ago

Nearly 3,000 people are leaving NASA, and this director is one of them

8 days ago

Experimental surgery performed by AI-driven surgical robot

9 days ago

Southwestern drought likely to continue through 2100, research finds

10 days ago

Local cuisine was on the menu at Cafe Neanderthal

12 days ago

How Android phones became an earthquake warning system

12 days ago

Fanfic study challenges leading cultural evolution theory

13 days ago

Amazon's ride on the rocket merry-go-round continues with SpaceX launch

14 days ago

Rough road to "energy dominance" after GOP kneecaps wind and solar

14 days ago

There could be "dark main sequence" stars at the galactic center

14 days ago

The ISS is nearing retirement, so why is NASA still gung-ho about Starliner?

14 days ago

Medieval preacher invoked chivalric hero as a meme in sermon

14 days ago

Congress moves to reject bulk of White House's proposed NASA cuts

14 days ago