The Pennsylvania Railroad (PRR)’s T1 class is famous for many reasons: being enormous, being a duplex, possibly having beaten Mallard’s speed record while no one was looking… and being in production ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...

A proposal to revise an E.U. law requiring carmakers to stop producing combustion engines by 2035 would offer some relief to automakers, but it sets back the region’s climate goals. By Patricia Cohen ...

Small wonder then that many tech firms are scrambling to secure reliable sources of power that can run 24 hours a day, 365 days of the year without interruption, including going to such lengths as to ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Diagnosis rates of autism among children have more than tripled over the past 15 years. One reason, which Minnesota’s welfare scandal lays bare with shocking details, is Medicaid fraud and abuse.

Vice President JD Vance, reflecting Thursday on his first year in office, said that he disagrees with fellow Republicans who have warned of a rise in antisemitism in their party. “Judging anybody ...

Consider the behaviors that constitute the diagnosis: inattention, disorganization, being more active than typical—nothing violent or extreme. The diagnosis doesn’t take into account family or social ...

A: I have seen some of those videos as well. My reaction is that if someone is stealing from your porch, they should not be able to complain if if turns out to be a booby trap. I also read, if the ...

A closer look inside Toyota’s troubled V6 suggests a deeper issue hiding beneath its strong, promising numbers. Toyota’s new V6 replaced the V8 but faced premature engine wear and recalls. Teardown ...

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...

When a plate drops or a glass smashes, you're annoyed by the mess and the cost of replacing them. But for some physicists, the broken pieces are a source of fascination: Why does everything break into ...