Scientific American8h
JWST Spies a Giant Space Hamburger—and Maybe Planetary Origins, Too
It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...
One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
Newsworthy Women on MSN3d
Henrietta Leavitt: The Woman Who Measured the Universe
Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...
A New Space Telescope Will Unravel a Great Cosmic Mystery
NASA’s Goddard Space Flight Center in Greenbelt, Md., wants nothing to do with the microscopic dust particles clinging to your clothing. So before you enter the room, you first must stand in a chamber ...