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Astrophysics - Stars Topics

  • The Fading Milky Way

    2001 — April 6, 2011

    Light pollution is a growing environmental problem that threatens to erase the night sky before its time.

  • Wandering Mystery Planets

    2001 — April 6, 2011

    Scientists using the Hubble Space Telescope have spotted mysterious planet-sized objects apparently running loose in a distant cluster of stars.

  • What Lurks in the Outer Solar System?

    2001 — April 6, 2011

    It's just a matter of time, say researchers, before astronomers find something as big as Pluto in the chilly outer reaches of the solar system.

  • Sizzling CometsCircle a Dying Star

    2001 — Sept. 20, 2011

    Astronomers have detected a massive cloud of water vapor around an aging star. It could be the telltale sign of innumerable dying Cometsand a glimpse of things to come in our own solar system.

  • A Chip Off the Sun

    2001 — April 6, 2011

    Sky watchers can enjoy a solar eclipse on Friday, Dec. 14th, when the Moon's shadow sweeps across the Pacific Ocean and parts of the Americas.

  • Welcome Interference

    2001 — April 6, 2011

    NASA scientists have combined starlight from two of the largest telescopes on Earth to form an extraordinary new tool in the search for planets outside the solar system.

  • Fasten Your Seat Belts

    2007 — April 6, 2011

    NASA's adventurous Discovery program--responsible for the first rover on another planet, the first landing on an asteroid, the first samples of a comet returned to Earth and much more--is about to get even better.

  • The Universe Through the Looking Glass

    2007 — April 6, 2011

    Astronomers at NASA's Marshall Space Flight Center are testing a strangely-shaped mirror that will allow them to explore the Universe using super-energetic X-rays.

  • A Star with a Comet's Tail

    2007 — April 6, 2011

    Astronomers have discovered something they've never seen before: a star with a tail like a comet.

  • Black Hole Eclipse

    2007 — April 6, 2011

    NASA's Chandra X-ray Observatoryhas observed a remarkable eclipse of a supermassive black hole, allowing a disk of hot matter swirling around the hole to be measured for the first time.