Is dark energy evolving? Astrophysicists consider the possibilities
A new study, based on years of precise data from telescopes such as the Dark Energy Survey in Chile, above,...
A new study, based on years of precise data from telescopes such as the Dark Energy Survey in Chile, above,...
MeerKAT 1.28 GHz background map showing ORC J0356–4216 and the host galaxy. Credit: arXiv (2025). DOI: 10.48550/arxiv.2509.04981 Astronomers from Ruhr...
Rocks in the Bright Angel Formation. NASA's Mars Perseverance rover acquired this image using its Right Mastcam-Z camera. Mastcam-Z is...
This artist's illustration shows the Earth-size exoplanet TRAPPIST-1 e, depicted at the lower right as it transits in front of...
This plot shows gravitational-wave signals recorded by the LIGO Hanford detector almost 10 years apart. The top shows data from...
An artist's impression of the rocky, habitable-zone exoplanet Kepler-168b. Credit: NASA Ames/NASA/JPL–Caltech/Tim Pyle (Caltech). The closest technological species to us...
The sun taken from the Solar Dynamics Observatory satellite, showing the quiet corona and magnetic structures like coronal loops, which...
Artist's impression of a black hole star (not to scale). Mysterious tiny pinpoints of light discovered at the dawn of...
by Astronomy Now Editor, Stuart Clark We are pleased to announce that our new Astronomy Now app is live! Since...
This illustration shows the double star V Sagittae. It's about 10,000 light years from Earth, and hosts a Wolf-Rayet star...