In 1.3 million years, a star will come within 24 light-days of the Sun
Within the Milky Way, there are an estimated 200 to 400 billion stars, all of which orbit around the center of our galaxy in...
Voyager 1 detects plasma ‘hum’ in the empty space
Voyager 1 - one of two sibling NASA spacecraft launched 44 years ago and now the most distant human-made object in space - still...
Mars isn’t dead. Its volcanoes could still be active
Most volcanism on the Red Planet occurred between 3 and 4 billion years ago, with smaller eruptions in isolated locations continuing perhaps as recently...
Volcanoes on Mars might still be active, shows study
Back in March, NASA’s InSight lander detected two large quakes from a geologically active region of Mars called the Cerberus Fossae.
Now, using imagery from...
Dark matter could change the temperature of exoplanets, allowing us to detect it
Ah, dark matter, you continue to allude us.
The stuff is incredibly difficult to study. It doesn’t interact with light, so our evidence of it...
Scientists discover new type of aurora
For millennia, humans in the high latitudes have been enthralled by auroras--the northern and southern lights.
Yet even after all that time, it appears the...
What’s possible at the deaths of our Universe’s most massive stars
A curiously yellow pre-supernova star has caused astrophysicists to re-evaluate what is possible at the deaths of our Universe's most massive stars.
The team describe...
Astronomers are watching a gas giant grow, right in front of their eyes
In the vastness of space, astronomers are likely to find instances of almost every astronomical phenomena if they look hard enough.
Many planetary phenomena are...
520-day simulated Mars’s mission changes crew’s gut bacteria
Crew members who took part in the Mars500 mission experiment showed significant changes in their gut microbiota after 520 days in confinement, according to...
NASA’s Hubble watches how a giant planet grows
NASA's Hubble Space Telescope is giving astronomers a rare look at a Jupiter-sized, still-forming planet that is feeding off material surrounding a young star.
"We...