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

Parallel lines close parallel lines Lines which never meet and stay the same distance apart. Parallel lines are indicated by a pair of arrows. are two or more straight lines that remain the same ...

There is no indication the UK government would follow the Danish example of offering substantial sums - as much as the ...

Pimpri-Chinchwad: The proposed railway bypass line recently announced by Maharashtra Deputy CM Ajit Pawar is being tremendously opposed by the residents living in villages along the proposed line.

The FAA ordered airlines to cut thousands of flights ahead of this weekend as the agency deals with air traffic controller shortages during the government shutdown.

SF Green Line service will be suspended from Park Street to Union Square starting November 4 due to infrastructure upgrades.

Mike Rothschild has spent years studying the rise of QAnon and antivaccine conspiracism. After his house in Altadena, ...

The FAA ordered airlines to cut thousands of flights ahead of this weekend as the agency deals with air traffic controller ...

Backing into your driveway is safer than driving head-in, some say. But others feel the practice can make it hard to tell ...

The Nasdaq 100 enjoyed one of those well-timed Friday afternoon rallies (1.9% off morning trading lows) to somewhat ease ...

Among other things, the government is exploring the relocation of companies, a move that the IT industry has resisted. Civic ...

Brussels policymakers examining changes to free governments hands to subsidise affordable housing developments ...