Answer: It’s a comet that comes from another stellar system, from another star. It’s the third one we’ve ever discovered. The first, 1I/ʻOumuamua, resembled an asteroid more than a comet, but the ...

Ezra Klein and Aaron Retica discuss whether affordability is the Democrats’ winning message, Trump’s politics of cruelty and ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

A free account provides you access to a limited number of free articles each month, plus newsletters, job postings, salary ...

As financial markets have gained dominance across the globe, especially so in the last four decades, gold has retreated to ...

Probably the text they are most consistently prone to misreading is The Lord of the Ring s. J.R.R. Tolkien’s beloved fantasy ...

What would a human see and feel while falling into a black hole? In this exclusive excerpt of his new book, "Facing Infinity, ...

Zohran Mamdani, after a triumphant campaign built on progressive ideas and a relentless focus on affordability, will become ...

Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect ...

EC Imposes Fines for Resale Price Maintenance - On 14 October 2025, the European Commission (EC) announced fines on three ...

The first method involves taking each child individually to teach him or her a lesson, for example; the second uses the tutoring system; and the simultaneous method involves using different teaching ...

The most important new feature of Apple's top iPad is a faster M5 chip with better AI performance, but there are also ...