Black hole destroys a star, goes after another

Watch an artist’s concept of a black hole shredding a star and the resulting debris hitting…

How likely is a doomsday asteroid swarm from Comet Encke?

Here’s Comet Encke – whose orbit lasts only 3.3 years – riding along its pebbly trail…

Imagine if we lived here

Imagine a sky full of hundreds of stars as bright as the full moon … If…

Europa Clipper will explore Jupiter’s ocean moon

Watch a video about Europa Clipper. Our fall fund-raiser is going on now. Please help EarthSky…

A clue to possible life?

View larger. | Artist’s illustration of Cassini flying through the water vapor plumes of Enceladus. A…

Is this white dwarf exoplanet a preview of Earth’s fate?

This video depicts a possible fate for Earth when the sun expands into a red giant…

Centaur jets? Webb detects jets of gas on distant icy body

Artist’s concept of Centaur 29P/Schwassmann-Wachmann 1 as viewed from the side against a dark, swath of…

1st planet orbiting a sunlike star discovered 29 years ago |

Astronomers discovered the 1st planet orbiting a sunlike star in 1995. Here is a comparison showing…

Dwarf planet Ceres might have been a muddy ocean world

Here’s a view of dwarf planet Ceres in false color. This view makes it easy to…

Puffy exoplanet WASP-107 b has an asymmetric atmosphere

Artist’s illustration of WASP-107 b, with its asymmetric atmosphere, as it transits (passes in front of)…