The surface gravity of a neutron star is so incredibly intense that it can cause atoms to collapse into a dense cluster of neutrons. The interiors of neutron stars may be dense enough to allow quarks to escape the bounds of nuclei. So it’s hard to imagine...
We Are StarStuff
2024: Year of the launchers
As 2024 kicks into gear, we invite you to look ahead with ESA and see what awaits us in the coming 12 months.After Ariane 5’s retirement in 2023, Europe’s new and versatile heavy-duty launcher Ariane 6 will continue the Ariane legacy of excellence and...
NASA’s Perseverance rover captures 360-degree view of Mars’ Jezero Crater (video)
On Dec. 12, 2023, NASA's Perseverance rover reached a milestone — 1,000 Martian days, or sols, on Mars. To celebrate, NASA released a 360-degree mosaic of the rover's current location, as well as a video walkthrough of the scene narrated by Perseverance project...
Hubble observes a changing exoplanet atmosphere
heic2401 — Science Release 4 January 2024 An international team of astronomers has assembled and reprocessed observations of the exoplanet WASP-121 b that were collected with the NASA/ESA Hubble Space Telescope in the years 2016, 2018 and 2019. This provided...
Are we visible to alien astronomers? This study makes the case
A telescope scans the sky in search of signals sent from advanced alien civilizations in this artist's concept. Credit: paulista/Shutterstock. Don’t bother wondering if alien civilizations can hear our radio broadcasts or not. According to a new study,...
Iron Snow Could Explain the Magnetic Fields at Worlds Like Ganymede
Jupiter’s largest moon, Ganymede, features a surprisingly strong magnetic field for its size. Tidal effects from Jupiter continually stretch and squeeze the moon, keeping its core warm and driving the magnetic field. But the exact geological processes occurring...
‘Cooling glass’ could fight climate change by reflecting solar radiation back into space
As the world continues to experience a worsening climate crisis with record-breaking temperatures, scientists have developed a new, highly reflective glass coating that may help cool a rapidly warming Earth.In theory, the coating — a slurry-like mixture of...
101 Weirdest Cosmic Objects
Thor's helmet. Credit: SSRO/PROMPT/CTIO Two years ago, our special January issue brought forth a popular package, 101 Must-See Cosmic Objects. Now we follow it up in a very different direction. My thought this time was to produce something covering not the...
After all of This Time Searching for Aliens, Are We Stuck With The Zoo Hypothesis?
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the question that launched a hundred (or more) proposed resolutions. “Where is Everybody?” In short, given the age of the Universe...
Review: Zack Snyder’s ‘Rebel Moon’ is a joyless jumble of rehashed sci-fi fare
"A good conscience is a continual Christmas," Benjamin Franklin once wrote. So it's with a heavy heart and a liberated soul that I cannot honestly recommend the new Netflix space fantasy, "Rebel Moon: Part One — A Child of Fire," to anyone but the most hardcore...