Science Topics Archives – Page 62 of 73

Nitrogen pollution is a big problem in standing water such as lakes and ponds. The nitrogen comes from many sources, often agricultural…

51 Pegasi b is a roughly jupiter-sized planet around a star pretty similar to our sun. This planet has been part of astronomy conversations…

At the center of the Milky Way Galaxy, there is a supermassive black hole. This is normal — at the center of almost every galaxy there is…

When we first learn about cells in biology, we are taught that bacterial cells are simple, and animal and plant cells are more complex.…

Today, Nature published the landmark discovery of a system of seven planets around a star named TRAPPIST-1 about 40 light years away. This…

Galaxies come in all shapes, sizes, and colors. Many galaxies are in the shape of spirals, including our own Milky Way Galaxy. The movement…

Genes are bundles of DNA that exist in your cells that affect how you look, grow, and age. Since the human genome was fully decoded in the…

Stars and planets are most often categorized by their mass. In astronomy, the “initial mass function” is used for this categorization.…

Did you know that a black hole is a kind of star? What would it really be like if our sun, also a star, was a black hole?

Detecting life on a planet beyond Earth would be one of the coolest things ever! In our paper, we talk about detecting signs of life on…