The tallest 21st century rocket in regular service in the United States currently is the Delta IV Heavy, a heavy-lift version of the United Launch Alliance's Delta 4 booster.

SpaceX's Starship rocket is the tallest rocket ever built, but just how tall is that? When the two-stage rocket is fully assembled it's almost 100 feet taller than the Statue of Liberty.

NASA's new Ares I-X rocket may be the world's largest booster currently in service or about to fly, but it is no behemoth when compared to giant rockets of the past — and perhaps the future. The ...

Astra — a startup that’s developing small, cheap rockets to deliver batches of satellites to space — attempted to put one of its 40-foot-tall rockets into orbit on Saturday, but the rocket ...

Jeff Bezos, the second richest man in the world, successfully blasted off a 320-foot-tall rocket ship via his Blue Origin company from Cape Canaveral, Florida, in the early hours of the morning.

Honda successfully conducted a “launch and landing test of an experimental reusable rocket” developed by its research and development subsidiary, the company announced this week. It was the first time ...

The two-stage 230-foot tall rocket, one of the world's most active, has become crucial in regularly deploying batches of internet-beaming Starlink satellites into orbit. Because of Arizona's ...

Small rocket builder Rocket Lab USA Inc is gearing up for a mission that seems more appropriate for a big-budget action movie: catching a falling four-story-tall rocket booster with a helicopter.

The 327-foot-tall Ares I-X rocket sits perched atop Launch Pad 39B at NASA's Kennedy Space Center in Florida for an Oct. 27, 2009 test flight, but it's not the tallest structure there.

NASA's new Ares I-X rocket may be the world's largest booster currently in service or about to fly, but it is no behemoth when compared to giant rockets of the past — and perhaps the future. The ...

Astra — a startup that’s developing small, cheap rockets to deliver batches of satellites to space — attempted to put one of its 40-foot-tall rockets into orbit on Saturday, but the rocket ...