Mysterious high-speed "bullets"—clumps of possibly oxygen-rich gas traveling at up to 20 million miles per hour—have been ...

For 25 years, one of the Milky Way’s strangest stellar explosions hid its culprit behind its own debris. Now the dust has ...

Using Hubble, astronomers have discovered that a "helium nova" in the Milky Way is riddling our galaxy with cosmic bullets ...

Once that gas builds up, it triggers a thermonuclear runaway—a nuclear explosion on the white dwarf’s surface that we see as a “new” star in the sky. “Instead of seeing just a simple flash of light, ...

Something we’ve never seen before is coming out of a solar system in our galaxy, astronomers say - Blasts of gas travelling ...