Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Watch how light bends and flows inside a moving stream of water. This experiment reveals the fascinating ways light can be ...

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

Research shows Jupiter’s strong gravitational pull may have protected Earth by keeping its orbit steady and preventing it from drifting toward the Sun.

The cosmic object 3I/ATLAS has sparked intense interest since it entered our solar system. A key question among scientists is whether this interstellar object has a tail.

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...