Abstract: The classical sparsity-based source identification method encounters the basis mismatch problem due to discretizing the focus region and assuming that acoustic sources are on-grid. This ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Delivered daily ...

WASHINGTON — Just 24 hours after setting a March 6 launch date for the Artemis 2 mission, NASA announced Feb. 21 that a problem with the Space Launch System upper stage will delay the launch. In a ...

U.S. Treasurer Brandon Beach holds one of the last pennies pressed at the U.S. Mint in Philadelphia on Nov. 12, 2025. (Matt Slocum/AP) Editor's Note: This is an excerpt from WBUR's daily morning ...

Fans of 3 Body Problem are getting some great news: it sounds like the acclaimed sci-fi series will be premiering its second season this year! It’s been a long wait for the second insallment of 3 Body ...

Abstract: The dual-function radar and communication (DFRC) system addresses the problem of radio frequency congestion. Sparse arrays can reduce system cost and increase array aperture by constructing ...

A version of this story appeared in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free here. The annual World Economic Forum confab known as Davos has always had an optics ...

After adopting a pair of bonded cats who’d been in foster care for almost three years, a Reddit user is now facing a big problem—neither cat seems to be adjusting well to their new home. In a post ...

Morgan Wallen's Still the Problem tour will wrap up with a two-night stop in Philadelphia on July 31 and Aug. 1. Brooks & Dunn, Ella Langley and Thomas Rhett are among special guests who will join ...

The Kansas City Chiefs took a frustrating 31-28 loss to the Jacksonville Jaguars on Monday Night Football. Entering Week 6 with a 2-3 record, Chiefs quarterback Patrick Mahomes didn’t try to sugarcoat ...

In 2015, Ford introduced the 2.7-liter EcoBoost for the F-150, proving that good things come in small packages by combining big power and small displacement. While proving its worth in the F-150 as a ...