An old NASA science satellite plunged uncontrolled from orbit and reentered over the Pacific on Wednesday. The U.S. Space Force said the Van Allen Probe A came in west of the Galapagos Islands.

NASA is tracking three asteroids namely 2026 ET2, 2026 EY2 and 2026 CR3 to pass Earth on March 16, 2026. Will they hit Earth?

Earth is struck by reentering human-made objects far more often than most people realize. According to debris specialists, ...

A spacecraft plunged back into Earth’s atmosphere early Wednesday. While most of the probe was expected to burn up during ...

Lawmakers defended NASA research efforts Wednesday at a hearing on President Donald Trump’s choice to lead the space agency. A bipartisan group of senators urged the White House on Wednesday to ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

A rock and a hard place ...

NASA Administrator Jared Isaacman speaks at an agency town hall Dec. 18, the day after he was sworn in as administrator. Credit: NASA/Bill Ingalls It took a year, but the Jared Isaacman era at NASA ...

A US Senate committee has directed NASA to begin work on a moon base "as soon as is practicable." Under legislation advanced ...

Understanding the complex, changing planet on which we live, how it supports life, and how human activities affect its ability to do so in the future is one of the greatest intellectual challenges ...

ESA Executive Director Catherine O’Riordan on the Hill Oct. 6, 2025 with American Geophysical Union President Brandon Jones. AGU was a fellow partner organization for the Day of Action. On Monday, Oct ...