Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

Thanks to an enormous stroke of luck and serendipitous timing, astronomers were able to calculate the mass and distance of a ...

A new study published in the Monthly Notices of the Royal Astronomical Society (MNRAS) explores the long-debated potential of ...

In an earlier blog post about Christopher Nolan's latest blockbuster movie, Interstellar, I lauded the film for its ambition, ...

Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to survey vaster swaths of the cosmos in only a handful of wavelengths. SPHEREx ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

NASA’s Perseverance rover continues collecting and studying Mars samples as uncertainty grows over the future of the Mars Sample Return program.

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

New observations of a nearby red giant star suggest that a long-standing explanation for how giant stars spread life’s ...

The presence of cold gas in the centre of some galaxy clusters raises questions about its origin. Through a radiation-hydrodynamic simulation of active galactic nucleus feedback in such a cluster, Qiu ...

News of the breakup of a leading science institution rippled through an annual gathering of Earth, ocean and space scientists. Many say American science is suffering under the Trump administration. By ...