Astronomers have found hints of what could be the first planet ever to be discovered outside our galaxy. Nearly 5,000 "exoplanets" - worlds orbiting stars beyond our Sun - have been found so far, but all of these have been located within the Milky Way galaxy. The possible Saturn-sized planet discovered by Nasa's Chandra X-Ray Telescope is in the Messier 51 galaxy.

NASA knows people can't travel to exoplanets light-years away, but the space agency hopes a new, highly fictionalized video will inspire dreams of such far-off travel.

Jeff Bezos' space company Blue Origin unveiled its plan for a private space station called "Orbital Reef," which it expects to deploy between 2025 and 2030.

Scientists spotted the star's behavior using a planet-hunting satellite. A spacecraft that usually seeks new worlds saw a white dwarf suddenly switch "off" with a swift drop in brightness. Then it switched back on again.

For NASA’s Deep Space Food Challenge, students, chefs, small businesses, and others whipped up novel food technology designs to bring new solutions to the table. NASA has selected 18 U.S. teams to receive a total of $450,000 for ideas that could feed astronauts on future missions. Each team will receive $25,000. Additionally, NASA and the Canadian Space Agency (CSA) jointly recognized 10 international submissions.

Closely following the heart-stopping and spectacular launch of the Shenzhou-13 manned spacecraft on Saturday, China has made another breakthrough in its aerospace technology, as researchers at the Academy of Aerospace Solid Propulsion Technology (AASPT) announced on Tuesday they conducted a successful running test of a domestically developed solid rocket engine...

A pandemic has killed millions around the globe and record-breaking heat waves have ravaged the U.S., but three billionaires have their eyes on space.

NGC 4666 takes center stage in this image from the NASA/ESA Hubble Space Telescope. This majestic spiral galaxy lies about 80 million light-years away in the constellation Virgo and is undergoing a particularly intense episode of star formation. Astronomers refer to galaxies that rapidly form stars as starburst galaxies. NGC 4666's starburst is likely due to gravitational interactions with its unruly neighbors—including the nearby galaxy NGC 4668 and a dwarf galaxy, which is a small galaxy made up of a few billion stars.

One of the most challenging questions to answer when confronting the Fermi Paradox is why exponentially scaling technologies haven’t taken over the universe by now.  Commonly known as von Neumann probes, the idea of a self-replicating swarm of extraterrestrial robots has been a staple of science fiction for decades.  But so far, there has never been any evidence of their existence outside the realm of fiction.

Astronomers have used a planet-hunting satellite to see a white dwarf abruptly switching on and off for the first time. The researchers led by Durham University, UK, used NASA's Transiting Exoplanet Survey Satellite (TESS) to observe the unique phenomenon.

Asteroids embody the story of our solar system's beginning. Jupiter's Trojan asteroids, which orbit the Sun on the same path as the gas giant, are no exception. The Trojans are thought to be left over from the objects that eventually formed our planets, and studying them might offer clues about how the solar system came to be.

That is not a joyous Pac-Man munching its way across the cosmos. Even so, this remnant of a stellar explosion looks an awful lot like the iconic video game gobbler in a newly released NASA image captured by the Hubble Space Telescope.

A conceptual NASA study explores the idea of a lunar Wi-Fi network to help fix inadequate internet services in American cities, including Cleveland, Ohio.

A new study revealed by NASA considers the possibility of building a lunar Wi-Fi network, the agency reported. It comes in an effort to address inadequate internet access across parts of the US and help inform future Artemis missions.

A Russian film crew are back on Earth after wrapping up scenes for the first movie shot in space. Klim Shipenko and actor Yulia Peresild left the International Space Station and landed in Kazakhstan - to be met by a crew filming touchdown scenes. The ISS shooting was not without drama - suitable for a film called Challenge.

The presence of a very high energy neutrino, a particle – “ghost”, which was created during the destruction of a star by colossal gravity, a black hole with a mass of 30 million suns, scientists have discovered on Earth. The event, 700 million years old, shortly before the first animals appeared on our planet...

A mega-comet—potentially the largest ever discovered—is heading from the Oort Cloud towards our direction. Estimated to be 100–200 kilometers across, the unusual celestial wanderer will make its closest approach to the Sun in 2031. However, the closest it will come to Earth is to the orbit of Saturn.

Lucy is on a mission to see seven Trojan asteroids up close.

The Moon is very big, and any small object hitting it would have very little effect on its motion around the Earth, because the Moon’s own momentum would overwhelm that of the impact. Most asteroid collisions would result in large craters and little else; even the largest asteroid known, Ceres, wouldn’t budge the Moon.

China urged relevant foreign space agencies and organizations to pay attention to the data on the Chinese spacecraft that are kept updated on the website of the China Manned Space Agency (CMSA) to avoid possible space collisions and ensure the safety of Chinese taikonauts, a spokesperson of the CMSA said on Thursday during a press briefing prior to Shenzhou-13's launch.