The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

Who determined that the sun was a star, like the stars in the nighttime sky? Mike Curtiss West Richland, Washington No single astronomer had this realization. Prominent thinkers considered the ...

Our sun cycles through its pattern of energetic activity every 11 years, but the technology scientists use to observe is ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.