Dwarf crested Iris (Iris cristata) is a low-growing perennial that beckons spring with its yellow-crested white petals. It even attracts bees, hummingbirds, and butterflies inside your garden.

or white. As their name suggests, Dutch irises originate from Holland, but they are a hybrid derived from species native to ...

Astronomers theorize that a low-mass white dwarf, a compact core of a dead star about as large as Earth, could be the culprit. A cosmic mystery surrounding a black hole some 270 million light ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." Using the XMM-Newton X-ray telescope, astronomers have ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return - called the event horizon - as it orbits ...