In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...

How long did it take our Sun to form in its stellar nursery? Scientists are now closer to an answer. They succeeded in the measurement of the bound-state beta decay of fully-ionized thallium ions at ...

Scientists mapping the bubble our solar system finds itself in made a new discovery, there is an “interstellar tunnel” that ...

An international team of scientists has made a major breakthrough in understanding how and when the Sun formed about 4.6 ...

The sun and the planets around it form part of the Milky Way Galaxy. "The Milky Way is a large barred spiral galaxy. All the ...

Primordial black holes may be exploding throughout the universe. If we can catch them in the act, it could pave the way to ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

There is a region of the sky where astronomers fear to look. Filled with dark clouds of dust, it hides an unseen mass. A mass ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

It's hard to imagine that someday, the Milky Way galaxy will cease to exist. Looking up at the stars, it feels as though ...

Researchers have made a groundbreaking discovery of a neutron star in the Milky Way that rotates at an astonishing 716 times per second, placing it among the fastest-spinning stars ever observed. The ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit ...