Comet or Asteroid: What Killed the Dinosaurs And Where Did it Come From?

It forever changed history when it crashed into Earth about 66 million years ago.

Touchdown! NASA's Mars Perseverance Rover Safely Lands on Red Planet

Members of NASA’s Perseverance Mars rover team watch in mission control as the first images arrive moments after...

NASA Television to Air Departure of Northrop Grumman’s Cygnus from Space Statio

Northrop Grumman’s Cygnus space freighter approaches the International Space Station where the...

European Space Agency Signs Deal to Remove Debris from Orbit

The European Space Agency (ESA) has signed a $102 million contract with a Swiss start-up company to purchase a unique service: the first-ever removal of an item of space debris from orbit.

A hint of new physics in polarized radiation from the early Universe

Figure: As the light of the cosmic microwave background emitted 13.8 billion years ago (left image) travels through the Universe until...

Catching a Radio Surprise

An artist view of how a supernova can create an afterglow of radio light.

Growing Interest in Moon Resources Could Cause Tension, Scientists Find


NASA’s OSIRIS-REx Successfully Stows Sample of Asteroid Bennu

The left image shows the OSIRIS-REx collector head hovering over the Sample Return Capsule (SRC) after the...