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News
Space News: NASA rocket takes first multi-point look inside radio-disrupting clouds
1+ week, 1+ day ago (474+ words) High above Earth, thin veils of metallic haze drift through the edge of space. Known as sporadic E layers, these high-altitude “clouds” form from the vaporized dust of burnt-up meteors, earning their name from the unpredictable way they emerge and…...
Astronomers Spotted a 'Bear' on Mars
6+ hour, 25+ min ago (186+ words) On 12 December 2022, an orbiter traveling 251 kilometers (156 miles) above the southern highlands of Mars photographed a hill....
Andromeda is visible from 2.5 million light-years because the light of hundreds of billions of stars blends together. But an Earth-like planet there would be roughly ten billion times fainter than its own star and separated from it by only about 1.3 microarcseconds—far beyond the direct-imaging ability of any existing telescope.
7+ hour, 55+ min ago (652+ words) Andromeda’s collective glow reaches the naked eye, but an Earth-Sun analogue there would combine a ten-billion-to-one contrast with a 1.3-microarcsecond separation....
A Cosmic Catastrophe May Have Turned Neptune’s Ancient Moons Inside Out
10+ hour, 43+ min ago (962+ words) In 1989, Voyager 2 discovered six previously unknown moons around Neptune. Five of them are tiny satellites that travel just beyond the planet’s main rings. Their small size and great distance from Earth have made them especially difficult to study in detail....
Earth May Have Had a Larger Cousin that the Sun Devoured
13+ hour, 24+ min ago (399+ words) Published Sep 12, 2026 1:01 PM EDT Did the Earth once have a larger cousin that was devoured by the Sun? And more importantly: would we have any way of knowing it did? A team of astronomers believe that the answer to both…...
Could the Sun Have Eaten a Super-Earth Planet?
8+ hour, 28+ min ago (24+ words) Could the Sun have swallowed a super-Earth? Explore how planetary migration, solar-system formation, and exoplanet discoveries reveal the possible fate of a lost world....
Mercury is shrinking much more than scientists realized
21+ hour, 18+ min ago (390+ words) The solar system's smallest planet has suffered significant shrinkage, drawing up 30 percent more than scientists even previously estimated. A new study reveals Mercury has lost up to 14.5 miles of its diameter since birth. That might not seem like much until…...
This Tiny Planet Closest to the Sun Lost Nearly 12 Miles in Diameter, and Scientists Finally Know Why
10+ hour, 11+ min ago (492+ words) Mercury isn't the planet scientists thought it was. New research digging into old NASA data has uncovered something that had been hiding in plain sight for years, a clue about the planet's past that could change everything we thought we…...
Ryugu’s Hidden Chemistry Reveals How Space Rocks May Have Delivered Life’s Ingredients To Earth
12+ hour, 10+ min ago (723+ words) Ancient dust from asteroid Ryugu reveals how nitrogen-rich compounds may have formed and survived before reaching young planets. Tiny grains collected from asteroid Ryugu have revealed how nitrogen-rich compounds may have formed and survived in space before reaching young planets....