After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Mathematics and physics have long been regarded as the ultimate languages of the universe, but what if their structure ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

How it came to be that way depends on physics we barely understand, of inflationary quantum fields overcoming a remarkably ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

A new study suggests that the cosmic web could have formed without relying on inflation driven by a scalar field. Instead, it ...

Happy New Year! This is MarketWatch reporter Isabel Wang bringing you this week’s ETF Wrap. In this edition, we look at fund flows and some of the top performers in 2024. We also explore the ...

There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of supermassive black holes reveals that their spin rates reveal something ...

He told MarketWatch last year: “I think it’s absurd. We saw what happened on Trump 1.0: Inflation was 1.9%,” “It’s assuming that the tariffs are all in on Day 1, and they would obviously ...

Gerard Cassidy, Head of U.S. Bank Equity Strategy from RBC Capital Markets discusses the company's positive revenue growth, while highlighting risks that could potentially derail bank stocks ...

Inflation has been an economic scourge for many Americans under President Biden — and it could remain a continued problem under Donald Trump. Consumer prices rose 2.9% in December compared to a ...