For years, astronomers have suspected that our solar system may have lost at least one world at some point in its 4.5-billion-year history. And now, new research suggests the moons of Jupiter and Uranus may indeed hint that our planetary neighborhood once had a third ice giant.
Evidence has shown that between 3 billion and 4 billion years ago, the solar system’s largest planets likely…
Blue Origin just hit a hurdle on its way to the moon.
The company’s powerful New Glenn rocket exploded during a routine prelaunch engine test at Florida’s Cape Canaveral Space Force Station on Thursday night (May 28), creating a huge fireball that lit up the…
Most powerful 'ghost particle' ever may have come from a cosmic particle accelerator fed by a black hole
May 29, 2026
Scientists have discovered an ultra-powerful “ghost particle” or neutrino, which struck Earth and was detected in the Mediterranean Sea in 2023, may have been blasted at Earth by blazars powered by a feasting black hole engine.
Blazars are a type of quasar, the…
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A single colossal impact may have rapidly spread water across Mercury and locked much of it into permanently shadowed polar craters — all within the span of a single Mercurian day, or 176 Earth days, according to a new study.
Being the closest planet to the sun, Mercury…
Two Russian cosmonauts worked to install and retrieve science experiments while on a spacewalk outside the International Space Station on Wednesday (May 27).
Expedition 74 commander Sergey Kud-Sverchkov and flight engineer Sergei Mikaev spent 6 hours and 5 minutes outside…
China shakes up its space programs to land astronauts on the moon by 2030: 'We will spare no effort'
May 28, 2026
China is establishing an integrated program called the Lunar Exploration Program, melding both its robotic Chang’e lunar probe activities with the country’s human spaceflight program. Zhang Jingbo, spokesman for the China Manned Space Agency (CMSA) agency, made the announcement at a May 23 pre-launch event for the Shenzhou-23 crew launch to the nation’s Tiangong Space…
What is Star City, the secret Cold War cosmonaut training town in Apple TV's new 'For All Mankind' spinoff?
May 28, 2026
On May 29, Apple TV will launch “Star City,” their 10-episode spinoff of “For All Mankind” that depicts an alternate history of the space race from the Soviet perspective as they become the first nation to land a human on the moon instead of the…
Anyone who has been paying attention to cosmology over the past few years is aware of problems with our best attempts to explain why the universe is the way it is.
Our standard model, Lambda-CDM (or LCDM), is one of the most successful theories in the history of science. It…
Unusual red northern lights over Japan suggest some solar storms are stronger than we thought
May 27, 2026
A rare crimson aurora glowing over northern Japan may be a sign that some solar storms are more powerful than scientists once believed.
Researchers studying faint red auroras observed above Japan in June 2024 found that the displays stretched far higher into Earth’s atmosphere than expected, reaching altitudes between roughly 310 and 500 miles (500 to 800 kilometers) — which is unusually…
