If The Supernova Standard Candle Is Wrong, It Could Solve The Hubble Tension
Last time I wrote about new data that overturns the standard cosmological model. Before anyone starts dusting off…
The Physics of the Northern Lights
Neon lights are glass tubes containing neon or other gases. When an electric current is sent from one…
An Improbable, Doomed Star System In A Clockwork Coffee Table
The major objects in our solar system orbit along the plane of the ecliptic, plus or minus few…
Could black hole shadows reveal new theories of gravity?
This image, which the European Southern Observatory (ESO) released on March 27, 2024, shows the supermassive black hole…
5 Of The Most Expensive NASA Space Missions In History
Tada Images/Shutterstock NASA has long captured the imagination…
Scientists find something incredible hiding behind the Pleiades
Astronomers have long treated the Pleiades – the glittering “Seven Sisters” in the constellation Taurus – as a…
Soyuz supplier sees orders collapse
Soyuz supplier sees orders collapse Russia’s major rocket propulsion enterprise and the prime supplier of engines for the…
A Robotic Helping Hand – NASA
NASA astronaut Jonny Kim took this photo on July 23, 2025, as the International Space Station orbited 259…
ISS astronauts take cover from radiation as solar storms spark auroras across the planet
It’s not all about pretty auroras when the sun shoots some ejecta our way. As people across the…
Chinese astronauts head home after suspected debris strike delays return to Earth
Three Chinese astronauts will return to Earth on Friday, more than a week later than their scheduled landing,…
Stranded Chinese astronauts to return to Earth aboard new crew’s spacecraft
Three astronauts on board China’s Tiangong space station – whose launch back to Earth was delayed last week…
China’s chief space contractor readies plans for tourism programme
As companies like SpaceX and Blue Origin make headlines for sending non-astronauts into space on pricey private tours,…