YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

The tiny cuts and grooves that decorate some ancient human artifacts are not just pretty accidents, according to some ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

In a significant advancement for renewable energy technologies, a new catalyst has been developed that dramatically improves the efficiency and stability of the oxygen evolution reaction (OER) in ...

This even distribution of hydrogen is thought to be key to developing scalable radiation shields for both spacecraft and the ...

While radio jets are relatively common in the nearby Universe, they have been elusive in the early Universe. This is partly ...

New research explores the many ways our sensory experiences overlaps, teaching us new ways the brain perceives ...

The evidence turns previous assertions that the Italian Christopher Columbus was the first foreigner to step foot in the New ...

If a space rock of this size were to strike Earth, it could cause significant regional damage — similar to the 2013 ...

Six Princetonians have been elected to the National Academy of Engineering: Professor Philip John Holmes, Professor Lynn Loo, ...