Astronomers Measure a Rogue Planet’s Mass and Distance
Astronomers have, for the first time, determined both the mass and distance of a planet that drifts freely through the g...
Space
Seven-Hour Gamma-Ray Burst Shakes Astronomers' Models
Astronomers have recorded the longest gamma-ray burst on record — a mysterious explosion that persisted for nearly seven...
SpaceX Tops 165 Orbital Launches in 2025, New Record
SpaceX closed the 2025 calendar year by setting a new company record: 165 orbital launches. That staggering cadence—roug...
Hubble Reveals NGC 4535: The Lost Galaxy Comes Alive
Once nearly invisible to backyard telescopes, the spiral galaxy NGC 4535 now bursts into view in a new Hubble image, its...
Fomalhaut's Fireworks: Two Massive Collisions Caught
Astronomers have captured direct images showing the chaotic aftermath of two massive collisions in the young planetary s...
Hubble Reveals Chaos Inside Giant 'Dracula' Disk in Detail
New Hubble observations have exposed unexpected turbulence and striking asymmetry in IRAS 23077+6707 — the largest proto...
Three Active Galactic Nuclei Caught in a Rare Triple Merger
A rare cosmic choreography has been uncovered: three galaxies, each hosting an active galactic nucleus (AGN), are intera...
Inside NASA’s Artemis II Countdown Dress Rehearsal
NASA wrapped up a full countdown dress rehearsal for Artemis II at Kennedy Space Center as 2025 closed — a near-complete...
Inflatable Space Habitats: Will They Replace ISS Soon?
Private companies are pitching a radical rethink of orbital living: inflatable habitats that launch compact and expand i...
New Code Reveals How Dark Matter Halos Evolve Rapidly
Dark matter shapes galaxies and the large-scale structure of the universe, yet its internal behavior remains one of cosm...
Europa Clipper Views Interstellar Comet 3I - ATLAS from Behind
NASA’s Europa Clipper spacecraft provided an unexpected and invaluable look at interstellar comet 3I/ATLAS in November, ...
Seeing Stellar Novae in High Definition: New Interferometry
Using Georgia State University's CHARA Array, astronomers have for the first time captured high-resolution images of nov...
How TOI-561 b Stays Cool: A Thick Atmosphere Mystery
TOI-561 b is a scorching world by orbital standards — it hugs its star so closely that, without an atmosphere, its daysi...
First Wheelchair User in Space: Michaela Benthaus' Flight
German aerospace and mechatronics engineer Michaela Benthaus made history on Saturday as the first wheelchair user to cr...
Electric Sparks Detected in Martian Dust Devils Revealed
Scientists have for the first time recorded tiny electric sparks inside Martian dust devils, upending assumptions about ...
First Contact Might Be Loud: The Eschatian Hypothesis
Imagine humanity's first undeniable sign of an alien civilization arriving not as a diplomat, ship, or message, but as a...
Parker Finds Sun's Alfvén Surface Is Growing and Spikier
New close-in measurements from NASA's Parker Solar Probe reveal that the Sun's Alfvén surface — the invisible boundary w...
Could a Supernova Conceal a Rare Superkilonova Merger?
A puzzling cosmic blast picked up in both light and gravitational waves may point to a never-before-seen hybrid explosio...
Baikonur Launch Pad Crash Grounds Russia's ISS Flights
On November 27, a dramatic accident at Russia's Baikonur Cosmodrome disrupted the country's ability to send crews and ca...
James Webb Finds a Lemon-Shaped Planet Packed with Carbon
Space keeps delivering surprises. The James Webb Space Telescope (JWST) has spotted an exoplanet so unusual that astrono...