May the oldest comet on record also be one of the most bizarre? The interstellar visitor 3I/ATLAS, found on July 1, 2025, is rewriting the book on what a comet from outside our Solar System will do.

In the past decade, the European Space Agency's Gaia space telescope has revealed the nature, history, and behavior of ...

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

Today: The moon is almost directly between the Earth and the Sun today. That means you won’t be able to see it. But that does ...

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

The Milky Way is expected to shine every night through August as it gets higher in a darker sky throughout the United States, ...

NASA has found another big cosmic structure orbiting a red dwarf - and this one allows the scientists to study due to the current temperature inside.

Milky Way is expected to shine every night through August as it gets higher in a darker sky throughout the United States, including Florida.

Scientists have discovered an 'interstellar tunnel' that connects our solar system to distant stars. In a new study, ...

The star, called DFK 52, is a member of a cluster of similar red supergiants, but it's losing mass at an extreme rate never ...