Stories by Tereza Pultarova

JWST has discovered giant mature galaxies that seem to have filled the universe shortly after the big bang, and astronomers are puzzled

Webb sees through dust and gas into regions out of reach of optical telescopes such as Hubble, revealing new galaxy views

Citing the military invasion of Ukraine, the world’s leading organization for particle physics research has paused its work with Russia

The Rosalind Franklin rover was set to embark for Mars later this year, but the deteriorating relationship between Europe and Russia now makes that very unlikely

Despite efforts to reduce light pollution from the satellites, their disruptions of astronomical observations are increasing at an alarming pace

The successful unfurling of the five-layered, tennis court-sized assemblage is a major milestone for the new observatory

A new virtual model of our planet could help resolve lingering climatic uncertainties

After a tense manual docking by a professional cosmonaut, the Soyuz spacecraft’s other occupants—an actress and a director—are set to make a first-of-its-kind movie in orbit

A chance celestial alignment is allowing astronomers to witness a distant star’s explosive death, again and again

Otherwise clement regions of the planet’s atmosphere are still too dry to sustain life as we know it

Moganite within a moon rock found in northwest Africa suggests a treasure trove of ice in the lunar subsurface

The upper atmosphere of the giant exoplanet WASP-121b may be wreathed in layers of glowing water vapor