That small moving dot is our new interstellar visitor, Comet 3I/ATLAS. A new study said it…
Category: Earth Sky
Is the Milky Way teeming with satellite galaxies?
Artist’s concept of an overhead view of the Milky Way galaxy. New modeling and simulations show…
NASA’s DART mission unleashed a blitz of boulders into space
Plumes of ejecta stream from the little asteroid moon Dimorphos, after NASA’s DART mission spacecraft intentionally struck…
Probing the cosmic Dark Ages from the far side of the moon
An artist’s impression of the UK-led CosmoCube spacecraft. Its mission would be to listen for an…
Small planets are common around small stars, says new study
Artist’s illustration of a super-Earth exoplanet close to its red dwarf star. A new study showed…
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…