Penn Astrophysicist Outlines A Multi-Pronged Approach In The Hunt For Dark Energy (March 11, 2005) -- For the last few years evidence that we are living on a very "weird" universe has been growing: the expansion of the universe is accelerating, and one theory proposed to account for this acceleration ... > full story

Scientists Find Faint Objects With Hubble That May Have Ended The Universe's 'Dark Ages' (January 10, 2003) -- Researchers using NASA's Hubble Space Telescope reported they are seeing the conclusion of the cosmic epoch called the "Dark Ages," a time about a billion years after the big bang when newly-formed ... > full story

Astronomers Find Sun's Coolest Neighbors (June 3, 1999) -- A pair of near-infrared telescopes sponsored by NASA and the National Science Foundation has detected the coolest brown dwarfs ever seen -- celestial objects that are neither fish nor fowl, or in ... > full story

Close Encounters Of Another Kind? Newly Discovered Large Asteroid Puts Spotlight On Wandering Celestial Objects (September 4, 2003) -- The latest discovery of a large asteroid moving through our Solar System puts a spotlight on the studies of these and other wandering celestial objects by the European Space ... > full story

Pair Win Physics Nobel Prize For Understanding Cosmic Microwave Background Radiation (October 3, 2006) -- The Royal Swedish Academy of Sciences has awarded the Nobel Prize in Physics for 2006 jointly to John C. Mather of NASA's Goddard Space Flight Center and George F. Smoot of the University of ... > full story

2002 Nobel Prize In Physics: Two New Windows On The Universe (October 8, 2002) -- The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics for 2002 with one half jointly to Raymond Davis JrDepartment of Physics and Astronomy, University of ... > full story

The View Is Better From Up There: Penn-Led Team To Look To Distant Galaxies With Balloon-Borne Telescope (June 15, 2005) -- An international team of researchers, led by astronomers at the University of Pennsylvania, has launched the most highly sensitive telescope of its kind to be carried by balloon. The Balloon-borne ... > full story

University Of Minnesota Researcher Focuses New Space Telescope (April 4, 2003) -- Suppose you had to focus a pair of binoculars blindfolded--and if you failed, a 0 million investment would be lost in space. That was essentially the task facing University of Minnesota astronomy ... > full story

Chandra Resolves X-Ray Glow Into Millions Of Objects (January 14, 2000) -- While taking a giant leap toward solving one of the greatest mysteries of astronomy, NASA's Chandra X-ray Observatory also may have revealed the most distant objects ever seen in the Universe and ... > full story

Dark And Distant Heavenly Bodies Revealing The Secrets Of Star And Galaxy Formation (July 21, 2006) -- British astronomers are releasing the first data from the largest and most sensitive survey of the heavens in infrared light to scientists across Europe. The UKIRT Infrared Deep Sky Survey (UKIDSS) ... > full story

Carnegie Mellon Astrophysics Team Report Evidence Of Acoustic Oscillation In Cosmic Microwave Background (May 25, 2001) -- In findings reported today by the journal Science, a team of Carnegie Mellon University and University of Maine astrophysicists say they have confirmed the existence of acoustic oscillations ... > full story

Astrophysics -- Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature and chemical composition) of astronomical ... > full article

Large-scale structure of the cosmos -- Astronomy and cosmology examine the universe to understand the large-scale structure of the cosmos. Currently, many large structures have been found; stars are organised into galaxies which in turn ... > full article

Mechanics -- Mechanics can be seen as the prime, and even as the original, discipline of physics. It is a huge body of knowledge about the natural world. It also constitutes a central part of ... > full article

Supergiant -- Supergiants are the most massive stars. Supergiants can have masses from 10 to 70 solar masses and brightness from 30,000 up to hundreds of thousands times the solar luminosity. They vary greatly in ... > full article

Astronomy -- Astronomy is the science of celestial objects (e.g., stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (e.g., auroras and cosmic background radiation). ... > full article

Galaxy formation and evolution -- The formation of galaxies is still one of the most active research areas in astrophysics; and, to some extent, this is also true for galaxy evolution. Some ideas, however, are now widely accepted. ... > full article

Radio telescope -- A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope "sees" radio waves emitted by radio sources, ... > full article

Outer space -- Outer space, also simply called space, refers to the relatively empty regions of the universe outside the atmospheres of celestial bodies. Outer space is used to distinguish it from airspace (and ... > full article

Hubble Deep Field -- The Hubble Deep Field (HDF) is an image of a small region of the sky, based on the results of a series of observations by the Hubble Space Telescope. The field is so small that only a few foreground ... > full article

Galaxy -- A galaxy is a massive gravitationally bound system of stars, interstellar gas and dust, and dark matter. Typical galaxies contain ten million to one trillion stars, all orbiting a common center of ... > full article