Space

Space Force Is Go for Launch, But ‘Thousands’ of Decisions Remain

The 2020 defense authorization act ushers in the first new service branch in 72 years.

The Next Big Milestone in American Spaceflight

This was supposed to be the year NASA astronauts launched into space from U.S. soil again.

The Mystery at the Center of the Solar System

A spacecraft has finally gotten close enough to the sun to gather clues about some lingering questions.

NASA's TESS Spacecraft Is Finding Hundreds of Exoplanets – and Is Poised to Find Thousands More

Beyond the outer edge of the Solar System, mysterious, unknown worlds await by the thousands. Astronomers can now finally find them and explore them - but will we find another Earth?

A Hitch at NASA Headquarters

NASA has carried out its first all-female spacewalk, but hints of outdated thinking about women in space remain.

NASA Hands Elon Musk a Reality Check

A shared effort to deliver NASA astronauts to space recently got a little awkward.

Why is the Pentagon Interested in UFOs?

During a military mission, whether in peace or in war, the inability to identify an object within an area of operation represents a significant problem.

Why Soviets Sent Dogs to Space While Americans Used Primates

Researchers didn’t know how people would react to weightlessness. So they sent animals first.

The Aging Spacecraft of Deep Space

NASA is rationing watts to keep its oldest mission going.

The Great NASA Bake-Off

High-tech agriculture would keep far-flung astronauts alive, but making something delicious would keep them happy.

The Apollo Engineer Who Almost Wasn’t Allowed in the Control Room

JoAnn Morgan stood out against the sea of men in skinny ties and glasses. But she was right where she belonged.

A Giant Leap For Humankind – Future Moon Missions Will Include Diverse Astronauts And More Partners

The new era of space exploration is characterized by an emphasis on diversity and international cooperation. But there's a lot of work to do before there's gender equality in STEM fields and at NASA.

The Fraught Effort to Return to the Moon

NASA wants to put people back on the lunar surface in 2024, but it doesn’t have the budget.

Young Americans Deserve a 21st-century Moonshot to Mars

Americans need a new multi-decade Moonshot that will inspire several generations to shoot for the stars and pursue careers in space engineering and exploration.

The Moment That Made Neil Armstrong’s Heart Rate Spike

Real-time data from the Apollo 11 astronauts, carefully monitored by Mission Control, capture the frenzied maneuvers that put men on the moon.

NASA Will Go Looking for Alien Life

The agency plans to launch a spacecraft to Titan, a moon of Saturn with some crucial ingredients for habitability.