Bill Nelson

NASA previously estimated it could cost half a trillion dollars to put humans to the Red Planet.

Sunita "Suni" Williams and Barry "Butch" Wilmore had to stay at the International Space Station after their Starliner capsule malfunctioned.

Fewer couples are combining their bank accounts. But that trend may not promote partners' overall financial health, experts say.

Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite to orbit thousands of miles above Earth.

SpaceX said its Starship space vehicle broke up during a flight meant to test the megarocket's capabilities. Videos on social media appeared to show debris streaming across the sky.

NASA sees two paths for saving its beleaguered plan to retrieve materials from the Red Planet but won't choose between them until 2026

"We want to have the quickest, cheapest way to get these 30 samples back."…

Former House Speaker Rep. Nancy Pelosi, D-Calif., underwent successful hip surgery overseas after her fall in Luxembourg, her office revealed in a statement.

Officials for Panama and Austria signed the Artemis Accords on Wednesday, becoming the 49th and 50th nations to join the international commitment to responsible space exploration.

Donald Trump has picked billionaire Jared Isaacman to lead NASA. Isaacman has flown to space twice on commercial SpaceX missions but has not worked in government.

Denmark is a founding member of the European Space Agency and on Wednesday formally committed to safe and responsible space exploration that benefits humanity by signing the Artemis Accords.

Tesla CEO Elon Musk poured at least $130 million into a pro-Trump campaign effort after an assassination attempt on the former president in July.

Destruction caused by Hurricanes Helene and Milton bring climate crisis to top of mind, especially for young voters

NASA Administrator Bill Nelson says reported secret conversations held between SpaceX CEO Elon Musk and Russian President Vladimir Putin are "concerning" and, if true, should be investigated.

That could include the Starliner space taxi program and operations related to the International Space Station, sources told the Wall Street Journal.

Space's agency has expanded its diplomatic reach in recent months, signing 12 of 45 signatories since January

The two crew members of NASA's SpaceX Crew-9 mission launched at 1:17 p.m. EDT Saturday, for a science expedition aboard the International Space Station. This

Aging infrastructure, short-term thinking, and ambitions that far exceed its funding are among the problems facing NASA, according to a new report.

The U.S. Space & Rocket Center is partnering with the Nichelle Nichols Foundation to create an exhibit honoring the late actress's groundbreaking role in "Star...

For 13 weeks, Suni Williams and Butch Wilmore have been on the International Space Station. They were supposed to be there for eight days.