The space agency's planetary science analysis groups must pause while NASA checks if they comply with Trump's orders.

On this date, President John F. Kennedy provides NASA with its strongest advocate for large space telescopes, James Webb ...

A Hall thruster is a high-efficiency propulsion device using plasma that is used for various difficult space missions, such ...

Samples returned from an asteroid contain a surprising abundance of the basic ingredients of life. They were discovered to be ...

The Martian dichotomy came to light in the 1970s following the Viking Probe's transmission of remarkably detailed Martian ...

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of Mars along with a time-lapse of "webcam" images that were released in near ...

Could extraterrestrial life exist beyond Mars?  Join NASA’s search for alien life in the outer solar system as we explore the moons of gas and ice giants! From Europa’s hidden oceans to Titan’s ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

Extraplanetary spacefaring has a hoary history in science fiction. Elon Musk, our so-touted Mars visionary, is an avid sci-fi ...

However, hours later the MPC announced it was removing the object from its records because it wasn't an asteroid at all. It ...

CAPE CANAVERAL, Fla. — Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the ...

Bright yellow deposits in Consus Crater provide new evidence of Ceres' cryovolcanic history, reigniting the debate over ...