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Soviet-era cosmonaut Vladimir Aksyonov, who flew into space twice, dies at 89

Soviet-era cosmonaut Vladimir Aksyonov, who flew into space twice, has died at the age of 89. Aksyonov logged almost 12 days in space and orbited Eart...

Soviet-era cosmonaut Vladimir Aksyonov, who flew into space twice, dies at 89

Space weather can make it hard to predict satellite trajectories. Here's why that's a problem

Satellites in low Earth orbit can be hundreds of miles off their expected trajectories when bad space weather hits.

Space weather can make it hard to predict satellite trajectories. Here's why that's a problem

Stars make a bigger mess in old galaxies, and scientists just figured out why

More evolved galaxies demonstrate a greater range of stellar motions compared to the orderly, circular orbits of stars like our sun in the Milky Way.

Stars make a bigger mess in old galaxies, and scientists just figured out why

Top total solar eclipses to look out for over the next decade

We explore seven of the best solar eclipses to look out for over the next 10 years.

Top total solar eclipses to look out for over the next decade

What happened when the moon 'turned itself inside out' billions of years ago?

The moon underwent a reversal around 4.2 billion years ago, flipping itself "inside out" after a giant impact to create the picture of the faithful lu...

What happened when the moon 'turned itself inside out' billions of years ago?

Could these big expandable habitats help humanity settle the moon and Mars?

Max Space is building habitat modules that could expand to enormous sizes in space, giving humanity plenty of room to live in orbit as well as on the ...

Could these big expandable habitats help humanity settle the moon and Mars?