For at least a decade, the quadruple axel jump was figure skating’s white whale. “It’s been this unreachable thing, like the four-minute mile” once was, says Matthew Lind, a technical specialist for U.

How and where to watch U.S. Olympic figure skating star Ilia Malinin. Can he be the first person to land a quad Axel in the Olympics? We explain the mechanics of skating's most difficult move.

The backflip, which was long banned in competition because of its inherent danger, is allowed now, though it also doesn’t carry a whole lot of scoring weight.

Two former engineering students are in Italy supporting former Olympians Tara Lipinski and Johnny Weir as they call the competition.

ABC News' Maggie Rulli spoke with Team USA skier Sam Morse about downhill ski conditions at the Games. FBI says Nancy Guthrie ransom communications appear technologically sophisticated Breezy Johnson's winding road leads to Olympic downhill gold for US on day marred by Vonn's crash Rock the Country festival: Artists dropping out amid Kid Rock controversy This blood test may predict heart disease better than LDL cholesterol.