Geoff Brumfiel

Getting Starship off the ground is costing the commercial spaceflight company billions of dollars at a time when money is tight. Some analysts think more funding will be needed.

Elon Musk is promising that SpaceX's newest rocket will one day take humans to Mars, but it's costing the company billions of dollars to develop. Can SpaceX afford to see the program through?

The commercial spaceflight company SpaceX is preparing to launch the largest rocket ever built. The stainless-steel giant could one day take humans to Mars, but first it has to get off the ground.

In South Texas, the commercial spaceflight company SpaceX is preparing to test a huge, stainless-steel rocket. The machine could one day carry humans to the moon, Mars and beyond.

The 400-foot-tall, stainless steel Starship could one day shuttle humans to the moon. But getting the rocket to fly is no easy feat, and it'll be 48 hours until the team can try again, SpaceX said.

Starship is the largest rocket ever built. The company hopes it will one day take people to the moon and Mars. But first it has to fly.

North Korea has successfully tested a solid-fueled ICBM, a type of missile that can be launched far more quickly than its current ones.

New startups believe chatbot technology could help reduce the burden on physicians. But some academics warn bias and errors could hurt patients.

It's an intriguing finding that suggests life as we know it may have been seeded by asteroids and meteors.

Russia is using a dam it controls to release water from Ukraine's massive Kakhovka Reservoir. It's one of dozens of cases where the war is limiting access to safe water.

Open AI released a new version of ChatGPT this week. It claims GPT-4 is more powerful than ever, and could even do your taxes. But a quick test drive revealed some problems.

Scientists are pondering how to tell time on other celestial bodies. It's a lot harder than you might think.

As questions remain over the origins of the COVID-19 pandemic, the Republican-led House is attempting to shed new light on the matter, but its not without political debate and questionable claims.

The photo from aboard the Air Force's legendary U-2 spy plane shows the Chinese balloon. But where, exactly, was it taken? It's actually possible to answer that question using clues from the image.

Arms control experts warn that the suspension of the New START treaty is part of a troubling global rise in nuclear weapons.

Russia announced Tuesday that they're suspending participation in the New START treaty. It's the latest blow to the treaty system governing U.S. and Russia's nuclear weapons stockpiles.

Scientists want you to know that most balloons come in peace. They're used for experiments to look at everything from cosmic rays to the ozone layer.

President Biden says the aerial objects shot down over the U.S. may have been scientific balloons. Some researchers are concerned that the diplomatic fight over balloons could disrupt their work.

The U.S. government suspects that China's surveillance balloon may have blown off course. It wouldn't be the first time.

Satellite data show water levels plummeting at the Kakhovka Reservoir. The reservoir supplies drinking water, irrigates vast tracts of farmland, and cools Europe's largest nuclear plant.