The discovery of a rare runaway galaxy suggests some isolated systems were shaped by past group interactions before being flung into solitude.
Hidden beneath the biggest ice mass on Earth, hundreds of subglacial lakes form a crucial part of Antarctica’s icy structure, affecting the movement and stability of glaciers, and consequentially influencing global sea level rise.
On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart.
Image: This Copernicus Sentinel-2 image captures a cloud-free view over the island of Komodo in southeastern Indonesia.
The age of exoplanets began in 1992, when astronomers detected a pair of planets orbiting a pulsar. Then, in 1995, astronomers discovered the first exoplanet orbiting a main sequence star. As NASA's Kepler and TESS missions got going, the number of confirmed exoplanets continued to rise.
In February 2016, scientists at the Laser Interferometer Gravitational wave Observatory (LIGO) announced the first detection of gravitational waves (GW). These ripples in space time, originally predicted by Einstein's Theory of General Relativity, are caused by the merger of massive objects (like neutron stars and black holes). Since then, gravitational wave observatories like LIGO, VIRGO, and the Kamioka Gravitational Wave Detector (KAGRA) have detected around 300 gravitational wave (GW) events.
A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon astronomers call the hot-Neptunian desert.
Mysteriously powerful cosmic winds around neutron star may be 'game-changer' for understanding monster black holes
A remote solar eclipse ends the final season of 2025.
Before we get to Mars, we’re going to have to practice. And develop radical leaps in technology, but also practice. A Mars mission will be utterly unlike anything attempted by humanity. We’re talking about a group of settlers, maybe as few as an initial team of four, traveling over a hundred million miles away from home to a literally alien environment, one that is so hostile to life that nothing lives there, and turn it into a home.
In November 2019, Japan's Hayabusa 2 mission departed the asteroid Ryugu after 1.5 years of observations. It had successfully collected a sample from the near-Earth object and in December 2020, the spacecraft returned the valuable sample to Earth. If its mission had ended there, it would've been deemed one of the most successful and challenging missions ever conducted.
K2-18b is a sub-Neptune about 124 light-years away from Earth first detected in 2015. Follow-up research found water vapour in its atmosphere, indicating that it could be a water planet, or what is called a 'hycean planet'. Hycean planets have thick hydrogen atmospheres and deep, global or near-global oceans. Or so scientists thought.
This asteroid quiz is your launchpad to discovery
Astronomers using the James Webb Space Telescope have confirmed that, just 800 million years after the Big Bang, there is a galaxy that contains a supermassive black hole — and not much else.
Foundation star Pilou Asbæk tells Space.com how he channeled Asimov villain The Mule in Season 4 of Apple TV's sci-fi saga.
Akiva Goldsman and Henry Alonso Myers share thoughts on this serious bittersweet episode
Hayabusa2's new target, asteroid 1998 KY26, is just 36 feet (11 meters) across, which will make landing on it challenging.
See a sickle moon with Venus and the bright star Regulus early on Sept. 19.
Save up to $60 on an annual subscription to Paramount Plus, the home of all Star Trek content, as well as a huge selection of Sci-Fi titles and entertainment.
Northrop Grumman’s Cygnus XL cargo ship on final approach to the International Space Station early Thursday. Image: NASA
Running a day late because of a software issue, Northrop Grumman’s Cygnus XL cargo ship caught up with the International Space Station early Thursday and then stood by while the lab’s robot arm latched onto a grapple fixture to wrap up a successful, if extended, rendezvous.
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