Humanity is about to stretch its legs beyond low-Earth orbit again, and this time the ride looks less like a cramped capsule and more like a cleverly packed studio apartment in space. The Artemis II...

A bizarre, tentacled object called Spudnik-1 is floating inside the International Space Station, which recently sparked curiosity, and a fair bit of internet panic. The black, egg-like form looked almost alien, with root-like strands stretching...

Three-sided pyramid on Mars: natural formation or ancient structure? A striking image from NASA archives is once again lighting up the internet. The photo shows what appears to be a three-sided, pyramid-like structure on Mars,...

Astronomers have witnessed a dramatic planetary collision near the distant star Gaia20ehk, providing one of the clearest real-time views of two planets smashing together. The rare cosmic event is helping scientists understand how planetary systems...

When NASA announced that its long-awaited Artemis 2 mission would launch on April 1, the internet reacted with equal parts excitement and skepticism. The reason is simple. April 1 happens to be April Fools’ Day,...

One of the largest known stars in the universe, WOH G64, has undergone a dramatic transformation over the past decade. Once classified as a red supergiant, the star is now considered a yellow hypergiant, a...

Every 22 minutes, like clockwork, something deep in the Milky Way sends a radio pulse toward Earth. It has been doing so since at least 1988. The object, known as GPM J1839-10, sits roughly 15,000...

There may be more than 25,000 potentially dangerous asteroids near Earth that scientists haven’t yet identified—and that blind spot is what worries planetary defense experts the most. According to officials at NASA, humanity has made...

For the first time in the history of human spaceflight, astronauts will be allowed to carry modern smartphones on active missions. The change, announced this week by NASA Administrator Jared Isaacman, marks a quiet but...

Three billion years ago, Mars looked nothing like the cold, dusty world we see today. According to new research from Swiss and Italian scientists, the Red Planet once hosted a vast ocean that covered nearly...