A video of a potential UFO, shaped like an eight-pointed star, that the White House posted today (May 11) has caused online debate. On Friday, President Trump announced an order to begin releasing ...

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

A video of a potential UFO, shaped like an eight-pointed star, that the White House posted Monday has caused online debate. On Friday, President Donald Trump announced an order to begin releasing ...

For centuries, scientists have studied supernovae mostly after the damage was already done, looking at remnants long after ...

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...