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...
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...
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...
Scientists crack mysteries of our closest neighbor Venus
Venus is an enigma. It's the planet next door and yet reveals little about itself.
An opaque blanket of clouds smothers a harsh landscape pelted...
Scientists find new chemical signature in an exoplanet atmosphere
Scientists have detected a new chemical signature in the atmosphere of an extrasolar planet (a planet that orbits a star other than our Sun).
The...
Icy clouds could have kept early Mars warm enough to have rivers and lakes
One of the great mysteries of modern space science is neatly summed up by the view from NASA's Perseverance, which just landed on Mars:
Today...
Scientists retrace asteroid’s long one-way trip to Earth
Scientists have reconstructed the 22-million-year journey of an asteroid through the Solar System to its impact on Earth.
The research on the flight path of...
NASA’s Hubble captures giant star on the edge of destruction
In celebration of the 31st anniversary of the launching of NASA's Hubble Space Telescope, astronomers aimed the renowned observatory at a brilliant "celebrity star,"...