They have refined the estimate of the black hole mass, ruling out the possibility of it being a neutron star. It is thought ...

JWST discovers Zhúlóng, the earliest Milky Way-like galaxy, 800 million years after the Big Bang explosion occurred.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Compelling evidence of a long-sought black hole at the center of the galaxy M83 has been unveiled using the James Webb Space Telescope.

Today's rather aquatic-themed NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the ...

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

Astronomers have tracked a mysterious magnetar, SGR 0501+4516, across the Milky Way, revealing it may not have formed in a ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

A decade of observations cast doubt on the typical magnetar origin story, at least as it relates to SGR 0501+4516.

The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung ...