Volcanic emissions of reactive sulfur gases may have shaped early climate of Mars, making it more hospitable to life
Sulfur crystals found inside a rock after NASA's Curiosity Mars rover happened to drive over it and crush it on...
Astro
Hunting for aliens in the galaxy’s most promising neighborhood
Trappist-1, seen here in this illustration with the Sun for scale, has been the target of the search for extra-terrestrial...
Planet crossing starspots reveals detailed architecture of TOI-3884 system
An artist's impression of the TOI-3884 system: the super-Neptune TOI-3884b passing in front of the red dwarf star TOI-3884, which...
Earth—how realistic are the extraterrestrials? Three experts rank them
The Xenomorph. Credit: Youtube, CC BY-SA The TV series Alien:Earth has introduced a number of new creatures to the much...
What 3I/ATLAS tells us about other solar systems
This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope's Wide Field Camera on 21 July 2025....
Signs of ancient life may have been found in Martian rock—new study
The rock known as Cheyava Falls has features that could have formed in the presence of microbial life. Credit: NASA...
How the stuff of life could be brought to Europe’s Mars Rover by rockfalls and ancient floods
Crater wall exposures. (a), (b) HiRISE IRB ESP_073652_1980 location #1 with mapped units; (c), (d) HiRISE IRB ESP_077041_1980 location #2...
Ten years ago, gravitational waves changed astronomy. A new discovery shows there’s more to come
The observed gravitational wave GW250114 (LVK 2025). The observed data is shown in light grey. The smooth blue curve represents...
Discovery of new moon or ring system orbiting mysterious distant planet Quaoar
Artist's impression of the icy Kuiper belt object 2002 LM60, dubbed "Quaoar" by its discoverers. Credit: NASA and G. Bacon...
Second exoplanet found orbiting nearby star Gliese 536
Phase-folded plots of the planetary-induced RV signals. RV variations induced by GJ 536 b and c with the best model...