An international team of astronomers, led by The University of Texas at Austin’s Cosmic Frontier Center,…
Category: Earth Sky
Surprise! Glaciers on Mars are made of mostly pure ice
View larger. | This image, taken by NASA’s Mars Reconnaissance Orbiter (MRO), shows a glacier on…
Europa Clipper successfully tests radar during Mars flyby
During its flyby of Mars in March 2025, the Europa Clipper spacecraft tested its radar instrument.…
Light pollution is impacting astronomy around the globe
The European Southern Observatory’s (ESO) Paranal Observatory lies under some of the darkest and clearest skies…
Starlink disrupts radio astronomy, too
There are 60 Starlink satellites nestled in the cargo bay of this Falcon 9 rocket, which…
New 5th planet found in system of remarkably diverse worlds
View larger. | This artist’s concept shows the 5 planets in the L 98-59 system. A…
Dark energy surprise suggested by super set of supernovae
EarthSky’s Dave Adalian talks with astrophysicist David Rubin about new evidence that dark energy might evolve…
Meet Apep, a pair of dying stars in a swirling nebula
This is Apep, a multiple star system in the direction of the small, southern constellation Norma.…
Top 10 cool things about stars that you probably didn’t know
Here we present 10 cool things about stars! 1. Every star you see in the night…
This baby exoplanet is shrinking toward a sad destiny
View larger. | Artist’s concept of TOI 1227 b. The baby exoplanet, about the size of…