Astronomers hunting for evidence of the light from the first stars and galaxies have found that the universe was warm, rather than cold, before it "lit up." ...

A recent study from the International Centre of Radio Astronomy Research (ICRAR) suggests that our universe was 'pre-heated' when the first stars began to form.

Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected.

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

New observations by the James Webb Space Telescope (JWST) could shed light on mysterious “little red dots” first spotted by the space observatory in 2022. In the latest observations, scientists have ...

Introduction -- 1. A Clever and Determined Wife -- 2. The Labyrinths of Heaven -- 3. Martyr to Astronomy -- 4. The Art of Navigation -- 5. Celebrities -- 6. Queen of Science -- 7. In the Shadow of ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...

When the "little red dots" were first discovered in 2022, scientists thought the objects might be galaxies as mature as the Milky Way, which is about 13.6 billion years old. That's because galaxies ...

Astronomers saw past the blinding light of a quasar, only to find a supermassive black hole that's much smaller than ...