This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data ...

It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful ... focusing on the 18 million years before the mass extinction at the end of the ...

A new study challenges the belief that dinosaurs were declining before the asteroid impact that ended their reign. Analysing 18 million years of fossil data, researchers argue that apparent drops ...

An asteroid that could be the size of a 10-storey building will now miss Earth - but the chances of the space rock slamming into the moon have doubled. Asteroid 2024 YR4 briefly had a small chance of ...

The menacing asteroid that wiped out non-avian dinosaurs ... The colossal impact event, which triggered a mass extinction event over much of Earth's land and ocean environments, also filled ...

The team used the telescope to capture images of the asteroid in multiple different wavelengths. Detailed analysis of the asteroid's lightcurve, its pattern of light and output in time ...

open image in gallery Artist’s illustration of asteroid 2024 YR4 as it flies by the Earth and heads toward potential impact with the Moon (NOIRLab/NSF/AURA/R Proctor) It would be one of the ...

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

This coming Advent, Catholics throughout the English-speaking world will begin using a new translation for the prayers that we say in the Mass. This new, third edition of the Roman Missal is the ...

So, sometime next year you’re attending Sunday Mass as you always do, the priest takes his place in the sanctuary, makes the Sign of the Cross and says “The Lord be with you,” and you ...

All matter has a gravitational field that attracts other objects. The more mass an object has, the greater its gravitational field will be. For example, the Earth has a greater gravitational field ...