Browsing Tag
space exploration
22 posts
NASA’s rover finds potential sign of life on Mars
NASA’s Perseverance rover has discovered potential biosignatures in a Martian rock sample, indicating the presence of iron-rich minerals and organic carbon, which suggests a past habitable environment that may have been sustained by microbial life.
Mars has a solid core, resolving a longstanding planetary mystery — new study
NASA Kevin Olsen, University of Oxford and Mhairi Reid, University of Oxford Scientists have discovered that Mars has…
NASA’s New Horizons pilots by starlight from 5B miles away
By measuring the apparent shift of nearby stars from its vantage point billions of miles away, NASA's New Horizons spacecraft successfully demonstrated the first-ever method of interstellar navigation.
Could the latest ‘interstellar comet’ be an alien probe? Why spotting cosmic visitors is harder than you think
Comet 3I/ATLAS. International Gemini Observatory/NOIRLab/NSF/AURA/K. Meech/Jen Miller/Mahdi Zamani, CC BY Sara Webb, Swinburne University of Technology On July…
To build on Mars, scientists create self-sustaining ‘living’ material
Scientists have developed a self-sustaining material derived from microbes that can transform Martian dust into concrete for constructing future habitats.
Infrared search for hidden ‘Planet Nine’ reveals two new candidates
By searching for the faint heat signature of a hidden world, astronomers have identified two promising new candidates for the mysterious Planet Nine.
‘Extraordinary claims require extraordinary evidence’ − an astronomer explains how much evidence scientists need to claim discoveries like extraterrestrial life
The universe is filled with countless galaxies, stars and planets. Astronomers may find life one day, but they…
The Viewpoint: Four small planets discovered around one of the closest stars to Earth – an expert explains what we know
Astronomers have discovered a system of four small, rocky planets orbiting Barnard’s Star, one of the closest stars to Earth. Confirmed by two independent teams, this finding highlights how common planets are around red dwarf stars. Learn how scientists detected these "unseeable" worlds and what it means for the ongoing search for exoplanets.
Scientists claim to have found evidence of alien life. But ‘biosignatures’ might hide more than they reveal
Artist’s impression of the exoplanet K2-18b. A. Smith/N. Madhusudhan (University of Cambridge) Campbell Rider, University of Sydney Whether…
Four small planets discovered around one of the closest stars to Earth – an expert explains what we know
Coel Hellier, Keele University Barnard’s Star is a small, dim star, of the type that astronomers call red…