Semiconductors are central to modern technology. They are used in computer chips, solar cells, sensors, LEDs and ...

Every rocket that leaves Earth must lift not only its payload, but also the enormous supply of propellant needed to keep ...

A faraway galaxy has been caught blowing away the cosmic fog of hydrogen that filled the universe once upon a time.

We tested 50 air purifiers to find the best for removing dust, pollen, pet dander, smoke, and odors, with picks for bedrooms, ...

Scientists may have found a more realistic set of thermodynamic rules for black holes that never stop changing.

Fusion advances, AI demand, and improved plasma containment bring commercial clean energy significantly closer to practical ...

This week’s Current Climate newsletter also looks at California's new EV rebates and Peak Energy's sodium-ion battery plans ...

Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

Energy efficiency standards can make it more expensive to construct new buildings, but they save money for residents in the ...

For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...