Do we live in a giant void? It could solve the puzzle of the universe's expansion
Dec 01, 2023 02:58 am UTC| Science
One of the biggest mysteries in cosmology is the rate at which the universe is expanding. This can be predicted using the standard model of cosmology, also known as Lambda-cold dark matter (ΛCDM). This model is...
Nov 30, 2023 00:45 am UTC| Science
The Earth formed 4.5 billion years ago, and life less than a billion years after that. Although life as we know it is dependent on four major macromolecules DNA, RNA, proteins and lipids only one is thought to have been...
Nov 21, 2023 04:01 am UTC| Science
How do crystals form? Alyssa Marie, age 5, New Mexico Scientifically speaking, the term crystal refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely...
Nov 19, 2023 06:22 am UTC| Science
The OSIRIS-REx mission is NASAs first mission to collect samples from an asteroid in this case 101955 Bennu and return to Earth. OSIRIS-REx is an acronym for Origins, Spectral Interpretation, Resource Identification,...
Did this chemical reaction create the building blocks of life on Earth?
Nov 15, 2023 01:41 am UTC| Science
How did life begin? How did chemical reactions on the early Earth create complex, self-replicating structures that developed into living things as we know them? According to one school of thought, before the current era...
Will Saturn's rings really 'disappear' by 2025? An astronomer explains
Nov 13, 2023 12:31 pm UTC| Science
If you can get your hands on a telescope, there are few sights more spectacular than the magnificent ringed planet Saturn. Currently, Saturn is clearly visible in the evening sky, at its highest just after sunset. Its...
Nov 13, 2023 12:23 pm UTC| Science
When landing on the surface of the Moon, astronauts can become spatially disoriented, which is when they lose sense of their orientation they might not be able to tell which way is up. This disorientation can lead to...