Zamani (NSF NOIRLab) Astronomers may be closing in on the age and origin of the interstellar comet 3I/ATLAS as it barrels ...

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

Or perhaps the universe is a kind of dark forest, with plenty of alien civilizations, but all too scared to show themselves ...

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

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

New research suggests that technological civilizations in the Milky Way are extremely rare, with the closest potentially ...

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

The interstellar visitor appears to have a lot in common with its solar system brethren. On July 1, 2025, the Deep Random Survey remote telescope in Chile, part of the ATLAS (Asteroid ...

3I/ATLAS is the third interstellar object confirmed in our solar system. It likely originated from the Milky Way's thick disk and may be unusually large. It could be the oldest comet ever observed, ...

New research from Johns Hopkins University and an international team of scientists suggests that two competing theories for ...

In this 2012 visualization, the Andromeda galaxy (left) appears in Earth's skies and begins to distort the Milky Way as the two galaxies merge. This hypothetical scenario was previously expected to ...