interstellar space
A clogged thruster could have ended Voyager 1’s interstellar mission. Engineers just saved it
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Engineers at NASA ...
Saturn threw a comet out of the solar system at 6,700 mph. Here’s how
Science
Dr. Sarah Adams
When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration shows a comet ...
‘Voyager 2 is still going strong’
Science
Dr. Sarah Adams
It has been several months since one of humanity’s most accomplished spacecraft, the Voyager 1 probe, stopped talking to us — and ...
NASA’s IMAP probe will launch in 2025 to capture interstellar dust
Science
Dr. Sarah Adams
In May next year, NASA plans to launch a spacecraft to capture minuscule dust particles streaming into our solar system from interstellar ...
Is the vacuum of space truly empty?
Science
Dr. Sarah Adams
Imagine going out to the deepest, emptiest place in the universe, achieving a perfect, total vacuum. Would you be surrounded by emptiness? ...
