Browsing Tag
planetary defense
5 posts
Many space missions are searching for life beyond Earth – but are we prepared for the fallout if they succeed?
Margaret E. Kosal, Georgia Institute of Technology; Dayana Alagirova, Georgia Institute of Technology, and Karryl Kim Sagun Trajano,…
I found a new meteor shower, and it comes from an asteroid getting broken down by the Sun
This composite image shows the Geminid meteors, captured in 2020 using Global Meteor Network software. Aleksandar Merlak Patrick…
How Big Does an Asteroid Need to Be to End Humanity?
From city-destroyers to planet-sterilizers, scientists are tracking the asteroids that could one day threaten all life on Earth and developing the technology to prevent them from doing so.
NASA’s DART asteroid impact unleashed unexpected boulder swarm, study finds
A new study reveals that NASA's DART asteroid impact unleashed a massive barrage of boulders that carried more momentum than the spacecraft itself, complicating future planetary defense efforts.
The (Possible) Cosmic Origins of DNA
The theory of pseudo-panspermia suggests that the essential building blocks of life, such as amino acids and nucleobases,…