News
- Planetary Science
Stellar death may spawn solar system
Material shed by a dying star might give birth to planets.
- Astronomy
Astronomers discover smallest galaxy ever
Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.
- Physics
Solving a 400-year-old supernova riddle
Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.
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- Earth
Heating releases cookware chemicals
Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.
