At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Requirement: A statement that identifies a product or process operational, functional, or design characteristic or constraint, which is unambiguous, testable or measurable, and necessary for product ...

We apologize, but this video has failed to load. Now comes news that, rather than requiring 100% of all new vehicles sold come 2035 to be zero-emissions, La Belle Province will revise that limit to 90 ...

Accuray Incorporated ( NASDAQ: ARAY) Shareholder/Analyst Call September 29, 2025 4:30 PM EDT ...

The best digital calendars make it easy to see the plans and responsibilities everyone in the family has ahead. Here are the ...

The discovery could significantly reduce the production costs of fuels, chemicals, and materials. A research team from the ...

British American Tobacco shares slumped 8% as the cigarette maker said it will write down the value of its cigarette brands by £25 billion ($31.5 billion). The company UK:BATS BTI said the write-down ...

Readers on TikTok and Instagram are making the aesthetics of reading more visible than ever with creative, and often intricate, annotations. Called marginalia, these markups can be elaborate, with ...

WASHINGTON — Veterans would have to provide formal, signed consent before doctors could write them prescriptions for narcotics, stimulants and anti-anxiety medicine under House legislation drawing ...

You’re reading Open Questions, Joshua Rothman’s weekly column exploring what it means to be human. This summer, I reread the novel “Aurora,” by Kim Stanley Robinson, a science-fiction writer whom I ...

America already mines all the critical minerals it needs for energy, defense, and technology, but most are being wasted as mine tailings. Researchers discovered that minerals like cobalt, germanium, ...