NASA has announced the discovery of seven astronomical objects that come in two flavors; they look like asteroids but ...

Scientists have discovered seven more "dark comets," and analysis of this haul suggests that the puzzling planetoids are ...

Urgent need for international regulations to address environmental consequences of space activities to ensure sustainability ...

Scientists have been puzzled for years about the source of mysterious radio bursts, but they may now finally have an answer.

On Earth, compasses always point north—but when you’re drifting outside our planet’s magnetosphere, things get more complicated.

The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less ...

Brig. Gen. Anthony Mastalir, who leads US Space Forces in the Indo-Pacific region, has probably the closest eye on China's ...

NASA researchers have discovered seven more dark comets, bringing the total to 14. These objects resemble asteroids but ...

The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...

Fast radio bursts, hugely powerful discharges of energy emanating from the furthest reaches of outer space, have confounded ...

When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 ...

The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.