Comment on Super-massive black holes observed at the center of galaxies

Here’s a look back on some of the most impactful events of 2024.

A tribute to some of the noteworthy people who died in 2024.

Today, more than half the world’s population lives in cities—a figure expected to grow by 2.4 billion by 2050. Cities are at the heart of humanity’s future, but they are also ground zero for some of our biggest challenges: climate change, social inequality, and economic fragility. To house the growing urban population and achieve the U.

TORONTO — Embattled Canadian Prime Minister Justin Trudeau will shuffle his Cabinet Friday. The prime minister’s office confirmed late Thursday that Trudeau will participate in the swearing-in ceremony and chair a meeting with his new Cabinet later Friday. Trudeau is facing rising discontent over his leadership, and the abrupt departure of his finance minister on Monday could be something he can’t recover from. [time-brightcove not-tgx=”true”] A rising number of Liberal lawmakers are calling on Trudeau to resign but new Finance Minister Dominic LeBlanc said Thursday Trudeau has the “full support of his Cabinet.” LeBlanc said he respects the views of Liberal lawmakers who want Trudeau to resign. “That’s a view they are expressing.

BRISBANE, Australia — Australian breaker Rachael “Raygun” Gunn has tried to be a good sport about the jokes and criticism that poured in from around the globe after her controversial performance at the Paris Olympics. But maybe “Raygun: the Musical” was a bridge too far. Comedian Stephanie Broadbridge called off the show just hours before it was set to premiere in Sydney, after Gunn’s lawyers contacted its comedy club venue and threatened legal action. [time-brightcove not-tgx=”true”] Broadbridge told her social media followers that the lawyers had trademarked the poster for the musical and told the comedian she could not do Gunn’s notorious kangaroo dance because the Olympian who went viral for her performance in Paris owns it. Gunn, a 37-year-old Sydney university lecturer, has said the fallout from her gig at the August debut of Olympic breaking left her “devastated” and forced her to retire from competition.

DUBAI, United Arab Emirates — A series of intense Israeli airstrikes shook Yemen’s rebel-held capital and a port city early Thursday and killed at least nine people, officials said, shortly after a Houthi missile targeted central Israel. [time-brightcove not-tgx=”true”] Thursday’s strikes risk further escalating conflict with the Iranian-backed Houthis, whose attacks on the Red Sea corridor have drastically impacted global shipping.