Mouse hosts produce functional rat sperm, opening new doors for genetic research
Using the blastocyst complementation method, we produced rat embryonic stem (ES) cell-derived sperm in testicular hypoplasia mice and…
Dark dwarfs lurking at the center of our galaxy might hint at the nature of dark matter
Artistic representation of a dark dwarf. Credit: Sissa Medialab Celestial objects known as dark dwarfs may be hiding…
Astronomers have discovered another puzzling interstellar object—this third one is big, bright and fast
Credit: Felix Mittermeier from Pexels Astronomers manning an asteroid warning system caught a glimpse of a large, bright…
If dark energy is decreasing, is the big crunch back on the menu?
Credit: Pixabay/CC0 Public Domain For generations, humans have gazed at the stars and wondered about the ultimate fate…
Young US college graduates face employment crisis
At 5.8 percent, unemployment for young, recent graduates from US universities is higher than it has been since…
Father-daughter bonding may help female baboons live longer
An adult male and infant baboon in the Amboseli ecosystem, Kenya. Credit: Elizabeth Archie, professor at Notre Dame…
Chickadees recall places by simply looking from afar
Credit: Pixabay/CC0 Public Domain Researchers at the Zuckerman Mind Brain Behavior Institute at Columbia University discovered that hippocampal…
Scientists use lightning to make ammonia out of thin air
The electrolyser used as part of the new method to make ‘green ammonia’.Credit. PJ Cullen University of Sydney…
Unveiling hedgehog topological defects in three dimensional glasses
A humorous pictorial representation of hedgehog topological defects defined via the topological charge Q, in a 3D glass.…
Dark Matter Particle Explorer obtains high-precision cosmic-ray boron spectrum
The charge spectrum from DAMPE’s PSD for particle identification of cosmic rays. Credit: Physical Review Letters (2025). DOI:…