Ultra-faint dwarf galaxies—tiny satellite galaxies orbiting the Milky Way—have long been seen as cosmic fossils. Now, a new ...

Research findings are available online in the journal Astronomy and Astrophysics. The original story “ For the first time, ...

New observations and simulations by a team of researchers led by MPE reveal that a massive binary star near our galaxy's ...

Astronomers have discovered the edge of the Milky Way’s star-forming disk, revealing that most new stars form within 40,000 ...

At the fringes of our galaxy, a multitude of fine ribbons of stars, previously unnoticed, has just been discovered. This find ...

NASA’s SPHEREx mapped water ice across vast regions of the galaxy, confirming that an essential molecule for life on Earth ...

CAPE CANAVERAL, Fla. (AP) — The comet that rambled past us from another star last year likely originated in a cold, isolated ...

Astronomers have traced the interstellar comet 3I/ATLAS to a frigid, low-radiation region of the Milky Way, based on its unusually high deuterium content. Using ALMA, scientists measured a ...

An ancient comet, 3I/Atlas, which journeyed through our solar system last year, is believed to have originated in a ...

"It's a profound idea that we are looking at a map of material that could rain on nascent planets and potentially support ...