Airport radar could signal our existence to aliens

Airport radar around the world leak electromagnetic energy into space, signaling our location on Earth up…

A deep-space navigation first, from New Horizons

The New Horizons spacecraft, which has left the solar system, beamed back images that have led…

Earth could be in a void, Big Bang sound waves suggest

Astronomers say Earth could be located in a billion-light-year-wide void, illustrated here by the green dot.…

New clues to how galaxies sustain star formation

This spectacular spiral galaxy is Messier 83, also known as the Southern Pinwheel. New research on…

Did something just hit Saturn? See the image here!

Mario Rana in Virginia captured this frame of Saturn at 5:07:56 a.m. EDT (9:07:56 UTC) on…

Phones and wifi block our view of our place in the universe

This is a Hubble image of the spiral galaxy M100. This spiral galaxy in Coma Berenices…

Mars orbiter learns new tricks in search for water

View larger. | Artist’s illustration of the Mars Reconnaissance Orbiter (MRO). The Mars orbiter is using…

Planet with a death wish triggers its own doom

Artist’s concept of exoplanet HIP 67522 b, a planet with a death wish. It triggers flares…

Supernova remnant reveals 2 explosions destroyed this star!

Recent studies have hinted that at least some Type Ia supernovae could be best explained by…

Andromeda galaxy stuns in new images and sounds!

View larger. | This is the new composite image of the Andromeda galaxy. It combines images…