The simplest explanation — that Punctum is an extreme example of something familiar — hasn’t been ruled out. A magnetar in an unusual environment, a supernova remnant tangled with dense material, or ...

Ursa Major III, the faintest object in our galaxy, orbits the Milky Way at a distance of more than 30,000 light years. Until ...

The Milky Way galaxy glows alongside the zodiacal light over the Cerro Tololo Inter-American Observatory (CTIO) in Chile.

The waning Moon passes Jupiter, Venus, and Mercury before dawn, while Titan’s shadow transits Saturn in the sky this week.

Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot.

The newly confirmed supermassive black hole at the heart of CAPERS-LRD-z9 is known as an active galactic nucleus (AGN), the ...

14. The Sun emits a continuous stream of plasma called the solar wind. On Earth, the most visible effect of the solar wind is the production of the northern and southern lights, the aurorae. Intense ...

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn ...

The astronomers estimated that the "ultramassive" black hole is over 10,000 times the mass of the Milky Way's black hole.

The center of our galaxy, the Milky Way, is one of the most fascinating and luminous regions in the universe, even though it houses a supermassive black hole known as Sagittarius A*. This video ...

The Perseid meteor shower 2025 peaked Aug. 12-13, delighting skywatchers worldwide. The Perseid meteor shower peaked on Aug ...

Newly identified Midpoint cloud reveals rare insight into star formation and the movement of galactic material toward the center of the Milky Way. A group of astronomers from around the world has ...