Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per ...

The JANUS science camera aboard ESA’s Jupiter Icy Moons Explorer (Juice) has captured new images of the interstellar object ...

A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.

Jupiter, Saturn, Venus, Neptune, Uranus and Mercury are staring in a "planetary parade" this week, but your ability to actually spot them will depend on preparation, equipment and, as always, a spot ...

NASA's planetary scientist said stargazers must try catching this celestial event before sunrise or right after sunset.

Six planets will align in the sky on Saturday, Feb. 28, in an event known as a "planet parade." Seeing all six planets will be challenging, as some will be close to the sun in bright twilight. Who’s ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

ALMA’s most ambitious galactic survey yet exposes a wild, filament-filled stellar nursery at the very heart of the Milky Way. Astronomers have produced a remarkable new view of the center of the Milky ...

It’s not so much a traditional clock as it is a measuring tool, but it’s all that’s needed to do some basic, interplanetary calculations As an example, the team suggests a scenario in which a ...

The term “planet parade” is used as an informal way to refer to planets being able to be seen simultaneously al ...

The planets are aligning. This Saturday is a rare chance to see several of our closest cosmic neighbors in a single sky. Six planets will assemble themselves for a spectacular “planetary parade” that ...