The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

A groundbreaking new study could finally provide an answer to one of the most perplexing astrophysics mysteries – without needing to add anything new to our current models. Physicists suggest that ...

Recent discoveries in cosmology have left scientists scratching their heads, as they challenge our fundamental understanding of physics. The universe’s expansion rate, the balance between matter and ...

A high-resolution TEM image of the nanoparticles studied in this work. Courtesy: J Belo Most materials expand when they are heated up and contract when cooled down – a phenomenon known as positive ...

Most materials expand when heated. A few, such as water just above freezing, contract. Now, for the first time, physicists have found a material that switches from expanding to contracting in the ...