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Measuring the distance to truly remote objects like galaxies, quasars, and galaxy clusters is a crucial task in astrophysics, particularly when it comes to studying the early universe, but it's a difficult one to complete.
Owen Martin steps carefully through the knee-high grass growing up around a long-abandoned railroad track near Sawhill Ponds in Boulder, Colorado. It's almost pitch black out. The sun set 45 minutes ago, and the only light ...
A duo of interacting galaxies commemorates the second science anniversary of NASA's James Webb Space Telescope, which takes constant observations, including images and highly detailed data known as spectra. Its operations ...
Domestic cats will do almost anything to avoid contact with water. Not so for their wild cousins, though. Lions, tigers and jaguars have had to adapt to water and sometimes take the plunge for survival.
Every five years, the international Progress in International Reading Literacy Study (PIRLS) provides an assessment of how well grade 4 learners around the world read for meaning. And every time South Africa participates, ...
In late April, farmers in Saskatchewan stumbled upon spacecraft fragments while preparing their fields for seeding. It sounds like the beginning of a science fiction movie, but this really happened, sending a powerful warning: ...
The size of the solar system is defined by the volume of space over which the sun's influence exceeds those of other nearby stars in the Milky Way galaxy. This influence derives from two fundamental forces of nature: gravity ...
Humans have been an important driver of vegetation change over thousands of years, and, in some places, had positive impacts on biodiversity, according to a new study.
An international team of astronomers has used more than 500 images from the NASA/ESA Hubble Space Telescope spanning two decades to detect seven fast-moving stars in the innermost region of Omega Centauri, the largest and ...
While the COVID-19 vaccines introduced many people to RNA-based medicines, RNA oligonucleotides have already been on the market for years to treat diseases like Duchenne Muscular Dystrophy and amyloidosis. RNA therapies offer ...
