challenge

By comparing Lumina's predictions with observations from JWST, Roman, and other telescopes, scientists can evaluate how well existing theories explain cosmic evolution and identify discoveries that might challenge their understanding of the universe's fundamental laws.

From Science Daily ● Oct. 27, 2026

It may also pose a challenge to the country's ambitions, as it could limit its economic growth as well as people's spending power, said National University of Singapore sociology lecturer Mu Zheng.

From BBC ● Oct. 27, 2026

The greatest challenge is on the go-to-market side of the business, and the stakes are rising all of the time.

From The Wall Street Journal ● Oct. 27, 2026

Finding “independent” directors for the special committees charged with weighing a SpaceX-Tesla merger therefore would be a challenge.

From Los Angeles Times ● Oct. 27, 2026

The challenge, as he saw it, was to somehow convince North Vietnam to make concessions at the bargaining table.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

If the remaining engineering challenges can be overcome, the approach could help enable a new generation of compact, high-density memory devices capable of writing digital information at much greater speeds.

From Science Daily ● Oct. 27, 2026

We recognize and support the calls for more regulation, including to address unique challenges in the sports and elections contexts.

From The Wall Street Journal ● Oct. 27, 2026

The King is also expected to address his 50-year-long commitment to fighting climate change, highlighting the challenges faced by low-lying Caribbean islands, saying that "our world cries out for healing".

From BBC ● Oct. 27, 2026

"I've found myself especially focused on the question of leadership since leaving office -- and how we can better support and encourage the kind of leadership needed to tackle our many global challenges," she said.

From Barron's ● Oct. 27, 2026

I felt more determined to recruit staff and obtain resources to meet the growing challenges of providing legal assistance to condemned people.

From "Just Mercy" by Bryan Stevenson

St. Louis Fed President Alberto Musalem challenged the argument that saying less lets markets focus on the economy.

From The Wall Street Journal ● Oct. 27, 2026

He emerged as a strong rebounder and rim protector, but the Jazz, still in rebuilding mode, never challenged for a playoff spot.

From Los Angeles Times ● Oct. 25, 2026

"But at the moment that piece of the business is a little bit challenged."

From Barron's ● Oct. 23, 2026

The judge said Marimi's allegations "at best suggest that US government officials exerted pressure on Libyan officials to facilitate a rendition, not that US government officials directed or controlled the challenged conduct."

From BBC ● Oct. 22, 2026

“Oh. Think you’re clever. We’ll see who’s clever,” he challenged.

From "The World According to Humphrey" by Betty G. Birney

H. Dean Steward, a defense attorney who filed a renewed motion in August challenging Essayli’s authority, called the decision “a victory for the rule of law and the U.S. Constitution.”

From Los Angeles Times ● Oct. 28, 2026

Actually identifying the vast majority of doctors who facilitate abortions would be challenging, to say the least.

From Slate ● Oct. 27, 2026

"Are there moments that are challenging going back to? Yes. But I hope that insight helps other people navigate situations...that helps them move forward or helps them to go accomplish things."

From BBC ● Oct. 27, 2026

“His singular voice is woven throughout all of his projects so potently,” she says, “and yet he’s constantly growing and challenging himself as a filmmaker. His work never treads the same emotional ground twice.”

From The Wall Street Journal ● Oct. 26, 2026

Widespread preoccupation with litigation, however, is not the only—or even the main—reason civil rights groups have shied away from challenging the new caste system.

From "The New Jim Crow" by Michelle Alexander