The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy ...

Tiny crystals in Earth’s crust may have recorded meteorite and comet impacts as our planet traveled through the spiral arms ...

The Milky Way contains a modest amount of alien civilizations, a new paper proposes — and there's a reason we aren't seeing them.

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Astronomers detected a gigantic wave pattern in a large portion of the Milky Way galaxy by analyzing data from young stars.

Using supercomputer simulations, a team of researchers investigated a mysterious source of gamma light coming from the Milky ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

Every one of us is unique and important, but at the same time, we’re a microscopic part of something that’s beyond ...

Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

Study suggests comet 3I/ATLAS may originate from the Milky Way’s thick disk, shedding light on the galaxy’s hidden frontier.