Page Updated: Saturday, September 13, 2025 8:01 PM ET

Ars Technica - Science

The US is trying to kick-start a "nuclear energy renaissance"

12 hours ago

Scientists: It's do or die time for America's primacy exploring the Solar System

1 day ago

Feds try to dodge lawsuit against their bogus climate report

1 day ago

New pathway engineered into plants lets them suck up more CO₂

1 day ago

Rocket Report: Russia's rocket engine predicament; 300th launch to the ISS

1 day ago

New black hole merger bolsters Hawking area theorem

2 days ago

Pentagon begins deploying new satellite network to link sensors with shooters

2 days ago

Has Perseverance found a biosignature on Mars?

3 days ago

SpaceX's lesson from last Starship flight? "We need to seal the tiles."

4 days ago

Geoengineering will not save humankind from climate change

4 days ago

Nobel laureate David Baltimore dead at 87

5 days ago

On a day of rebranding at the Pentagon, this name change slipped under the radar

5 days ago

GOP may finally succeed in unrelenting quest to kill two NASA climate satellites

7 days ago

Harvard beats Trump as judge orders US to restore $2.6 billion in funding

9 days ago

Lull in Falcon Heavy missions opens window for SpaceX to build new landing pads

9 days ago

These psychological tricks can get LLMs to respond to "forbidden" prompts

10 days ago

"Mockery of science": Climate scientists tear into new US climate report

10 days ago

Trump's move of SPACECOM to Alabama has little to do with national security

10 days ago

A robot walks on water thanks to evolution's solution

11 days ago

Research roundup: 6 cool science stories we almost missed

13 days ago

Earth models can predict the planet's future but not their own

13 days ago

Texas suit alleging anti-coal "cartel" of top Wall Street firms could reshape ESG

14 days ago

Rocket Report: SpaceX achieved daily launch this week; ULA recovers booster

15 days ago

Genetically, Central American mammoths were weird

16 days ago

Trump admin dismisses Endangered Species List as "Hotel California"

16 days ago

New dinosaur species is the punk rock version of an ankylosaur

16 days ago

Under pressure after setbacks, SpaceX's huge rocket finally goes the distance

17 days ago

The first stars may not have been as uniformly massive as we thought

17 days ago

Bluesky now platform of choice for science community

17 days ago

Lawmaker: Trump's Golden Dome will end the madness, and that's not a good thing

17 days ago

US's spike in electricity use is slowing down a bit

18 days ago

With Starship, SpaceX encounters an obstacle that haunted NASA's space shuttles

18 days ago

Scientists unlock secret to thick, stable beer foams [UPDATED]

16 days ago

Google's AI model just nailed the forecast for the strongest Atlantic storm this year

18 days ago

Trump admin issues stop-work order for offshore wind project

18 days ago

How the cavefish lost its eyes—again and again

19 days ago