News
What would it be like to fly through Saturn's rings?
17+ hour, 50+ min ago (789+ words) Comets and Kuiper Belt Objects. Written by Asa Stahl, Ph D " Science Review by Bruce Betts, Ph D May 28, 2026 Saturn's rings are one of the most beautiful sights in the Solar System, but most of us have no idea what…...
European Space Agency's Euclid mission members welcomed in Barcelona
1+ hour, 58+ min ago (213+ words) This menu requires arrow keys to be able to use it. The menu has up to three levels: Jordi Valls, Deputy Mayor for Economy, Housing, Finance and Tourism, welcomed the participants of the Euclid mission of the European Space Agency,…...
NASA tests lunar rover in California desert
2+ hour, 14+ min ago (435+ words) May 28, 2026, 7: 00 AM PDT The Plaster City Open Area in Southern California. | blmcalifornia, Public domain, via Wikimedia Commons / Wikimedia Commons A BLM-managed area in the Southern California desert is helping NASA test a lunar lander." According to a report in Imperial…...
NASA's Roman Mission Preps to Unveil New Populations of Faraway Worlds
59+ min ago (677+ words) Most known exoplanets are located within a couple thousand light-years of Earth. But "one of Roman's core surveys will peer all the way through the Milky Way's galactic bulge, the central hub where stars are packed more densely than anywhere…...
Dyson Sphere Stability Cracked: Geometry Alone Keeps Alien Megastructures in Place
2+ hour, 3+ min ago (307+ words) This was not a minor engineering footnote. It was a challenge to the physical plausibility of the entire concept. A megastructure requiring continuous active station-keeping is one that demands an unbroken technological civilization to maintain it indefinitely " a condition that…...
Thousands of hidden planets found in old NASA telescope data
2+ hour, 40+ min ago (854+ words) A sky-survey satellite completed its first year of data collection in 2018, capturing brightness records for tens of millions of stars. Astronomers worked through the brighter targets and moved on to confirming worlds. Most of what the spacecraft had recorded just…...
How We See the Beautiful, Violent Sun
1+ hour, 57+ min ago (535+ words) A solar flare captured by NASA's Solar Dynamics Observatory in October 2014. Observations and questions have continued to accumulate. Why is the corona hundreds of times hotter than the surface below it? What drives the solar cycle? How do the electromagnetic…...
Ganymede may be "warming from within": The largest moon in the Solar System has a unique magnetic field among natural satellites, and according to a new study published in Science Advances, heat generated by Jupiter's gravity and radioactive materials may keep liquid iron moving inside it to this day.
2+ hour, 20+ min ago (776+ words) With approximately 5, 300 kilometers in diameter, Ganymede surpasses even Mercury in size. Among the more than one hundred known moons of Jupiter, it stands out for a rare characteristic: it is the only confirmed natural satellite with its own magnetic field....
Astronaut captures aurora magic from the ISS | Space photo of the day for May 28, 2026
2+ hour, 14+ min ago (224+ words) An astronaut captured a view from the International Space Station (ISS) that will take your breath away. In January, Yui returned from space after completing the nearly five-month Space X Crew-11 mission to the ISS. This view "only happens when…...
Weighing newborn planets using their dusty fingerprints
6+ hour, 41+ min ago (491+ words) Astronomers discover new method to estimate masses of planets using the dust in the protoplanetary disk image: Simulation of a planet embedded in a protoplanetary disc, causing disc material to pile up in a ring exterior to its orbit " Credit:…...