A strange double flash in a distant galaxy may be the first glimpse of a “superkilonova,” a cosmic one‑two punch that fuses ...

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be violent and chaotic. Using NASA’s Hubble Space Telescope, astronomers have ...

Using Georgia State’s CHARA Array, an international team of scientists has uncovered unexpected complexity in how stars explode. Astronomers have obtained images of two stellar explosions, called ...

We close out the list with a third Rebecca Yarros novel, the latest installment in the "Empyrean" series that were the third ...

Here is a look at just a few of the biggest developments in astronomy that The Debrief has been tracking in 2025.

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

One of Ireland’s oldest astronomical institutions is continuing its centuries-old tradition of observing the winter solstice.

The distance feat comes as the Mars Perseverance rover reaches another milestone. After nearly five years of roaming the Red Planet, it’s now traveled almost 25 miles. With the help of autonomous ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...