Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

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 ...

A new analysis of the EHT reveals that Sagittarius A*, the central black hole of the Milky Way, is spinning rapidly and ...

Uncover 8 fascinating black hole photos captured by NASA’s Hubble Space Telescope, presenting stunning cosmic visuals and ...

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

Hubble reveals star formation secrets in galaxy NGC 2835 using H-alpha detection to map stellar nurseries with surgical ...

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

A team of astronomers led by Dr. Phil Massey of Lowell Observatory has taken the sharpest look yet at one of the heaviest ...

Our Milky Way is one of more than 100 galaxies bound together by gravity.

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

It’s worth noting that stars didn’t even start showing up until about 300 million years after the Big Bang. So, whether ...