Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

After a year of testing, I discovered the diagram in my original GT knot article was wrong. Here’s the corrected version and a brief explanation why this knot still earns my full confidence. Now that ...

Mumbai’s much-awaited Metro Line 2B is poised to become the city’s first metro rail to connect the eastern and western suburbs, starting from the eastern end. This line will bridge the two parts of ...

Because of their many redundancies, electronic fly-by-wire controls are actually far safer than traditional hydraulic ones.

Trains are now on the tracks for the Green Line Extension and transit officials are celebrating finishing the first week of testing. Border Patrol commander Bovino ordered to face federal judge in ...

Sam Sokol is the Times of Israel's political correspondent. He was previously a reporter for the Jerusalem Post, Jewish Telegraphic Agency and Haaretz. He is the author of "Putin’s Hybrid War and the ...

Spanning over 26 miles, the Silver Line connects Plano, Richardson, Dallas, Addison, Carrollton, Coppell, Grapevine, and DFW International Airport, reducing congestion, linking residents to jobs and ...

RENSSELAER, N.Y. (NEWS10) — Rail lines connecting the Capital Region to New York City and Boston, Massachusetts, are relaunching. Not only will the Metro-North Hudson line be expanding from ...

Dallas, Oct. 24, 2025 (GLOBE NEWSWIRE) — DALLAS, October 24, 2025 – Dallas Area Rapid Transit (DART) will launch the Silver Line regional rail service on Saturday, October 25, 2025, an investment that ...

The Week 7 NFL schedule has several interesting quirks which could add a bit more interest to NFL picks. Patriots vs. Titans sees New England on the road for the third straight week, and the Pats, led ...

European Leaders Back Trump's Call for Ukraine Ceasefire at Present Lines LONDON (Reuters) -Leaders of European nations, including Britain, France, Germany, Ukraine, and the European Union on Tuesday ...

SCARBOROUGH, Maine (WGME) -- A new bus service will soon connect Scarborough and Portland. Greater Portland Metro announced a new line, running seven days a week, that will provide access to a number ...