"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Scientists across the world, including some in Arizona, are keeping an eye on an asteroid that has a very slim chance of ...

YR4, a near-Earth asteroid has a one-in-45 chance of hitting Planet Earth in December 2032, NASA and the European Space ...

Scientists believe the exoplanet HD 20794 d, six times the mass of Earth, could harbour liquid water on its surface.

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...

YR4 asteroid has a 1-in-45 chance of hitting Earth in 2032. While the risk is low, monitoring continues to assess the impact ...

Countless celestial objects traverse the cosmos, each with its own unique characteristics and potential impact, literally, on Earth. Among ...

A 'false dusk' will be visible during twilight in February, but only from locations that are free of light pollution. Here's ...