All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

In addition to helping the researchers nail down the nebula's ellipsoidal structure, the 3D model also confirmed that the ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

NASA's IMAP mission will delve into the mysteries of the heliosphere, mapping its boundaries and studying solar wind ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

T he European Space Agency’s Gaia mission has almost completely depleted the cold gas propellant that kept it spinning and able to scan the sky, so it has decided to nominally end science operations ...

Space agencies around the world are setting their sights on new frontiers, with plans to explore Venus and other distant ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

You won't see a majestic line of planets on Jan. 25 the way people on social media are promising, but you will see four bright planets if you look up.

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Our planet is hurtling at some 45,000 mph ... The Sun, the planets, and all the other flotsam and jetsam that constitute the solar system are so insignificant that we can consider the entire ...