Photo of the Day #651: Ebony jewelwing

Companies hope that biometric age-verification tech in cartridges could put flavored vapes back in business. But it's unlikely to solve the real problems.

Unitree is bringing its R1 to international markets. It arrives with some aerobatic capabilities and an entry-level price, but the question of what you'd actually do with it remains open.

Take a group of runners circling a track at unique, constant paces. Answering the question of how many will always end up running alone, no matter their speed, has vexed mathematicians for decades.

The White House has announced that NASA will work with the Departments of Defense and Energy to put nuclear reactors in orbit and on the surface of the moon.

R3 Bio has a bold idea for replacing lab animals: genetically-engineered whole organ systems that lack a brain. The long-term goal, says a cofounder, is to make human versions.

Bremont’s Supernova Chronograph will be attached to the chassis of Astrolab’s FLIP rover, which will land on the moon later this year.

The astronauts will arrive about 10,300 kilometers beyond our satellite, breaking all previous records for distance from Earth. But how was their route chosen?

The mission commander’s email inbox failed during the journey to the moon. Have they tried turning the computer off and back on again?

Artemis II remains on course for its lunar flyby as the crew shares historic photos of Earth, tests key systems for future lunar missions, and attempts to fix the toilet.

Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

Epia Neuro’s brain-computer interface will include a motorized glove to help stroke patients recover movement in their hand.

In a letter sent Thursday morning, Elizabeth Warren and Josh Hawley press the Energy Information Agency to mandate annual electricity disclosure for data centers.