Tie a trefoil knot in a piece of string, seal the ends together, and try to wiggle it free without cutting. In three-dimensional space, the knot holds firm. Add a fourth spatial dimension, however, ...

A WORK with this attractive and somewhat ambitious title cannot fail to attract attention, appearing, as it does, at a moment when very commendable efforts are being made to improve the teaching of ...

An airplane landed upside down in a drainage ditch in Camarillo Feb. 15, according to initial reports. The plane crash was reported around 6 p.m. near Carmen Drive and Lucero Street, a residential ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

THIS is a really capital book for students of what may be called scholarship standard. It contains, among other things, sections on similarity, transversals, vector geometry, inversion, and coaxal ...

DENVER (AP) — Four people are dead after a small plane crashed Friday on a mountain near the Colorado ski resort community of Steamboat Springs, authorities said. An Epic E1000, a six-seat turboprop ...

February 24, 2026 • The House of Representatives narrowly rejected a bipartisan aviation safety bill that was spurred by the deadly midair collision near Washington, D.C., after the Pentagon abruptly ...

FRANKLIN, Tenn. (WKRN) — Officials have identified four people from Middle Tennessee who died after a small plane crashed in Colorado early Friday morning. The Federal Aviation Administration said an ...

Feb. 14 (UPI) --The Routt County, Colorado, Coroner's Office has identified the four victims who died in a plane crash while approaching a Steamboat Springs airport early Friday morning. The victims ...

DENVER (KDVR) — Four people were killed after a single-engine airplane crashed into mountainous terrain near Steamboat Springs just after midnight Friday, according the Routt County Sheriff’s Office.

A visibly mangled and charred engine could be seen through the window of the Arik Air aircraft An Arik Air flight made an emergency landing on Feb. 11 after crew members heard a “loud bang” “There ...

CAMARILLO, Calif. (KEYT) – Ventura County Fire, Oxnard Fire and Ventura County Sheriff's Office helped two people in critical condition after a plane crash in Camarillo just after 6:00 p.m. Sunday.