Better Supernovae Measurements Aim To Improve Understanding of Dark Energy
(PhysOrg.com) -- A new technique for measuring the distances to supernovae more accurately than ever before has been developed by a team of scientists from Yale University, Lawrence Berkeley National Laboratory ...
Refurbished Hubble Ready to Resume Exploration
(PhysOrg.com) -- The Hubble Space Telescope has been with us for nearly two decades. In that time, its breathtaking images have captured people’s imaginations and its groundbreaking science has revealed ...
Cosmology's best standard candles get even better
Members of the international Nearby Supernova Factory (SNfactory), a collaboration among the U.S. Department of Energy's Lawrence Berkeley National Laboratory, a consortium of French laboratories, and Yale ...
Astronauts to undertake fourth walk to repair Hubble telescope
US astronauts on Sunday will undertake a fourth in a series of five daily spacewalks intended to equip the 19-year-old Hubble Space Telescope for at least another five years of valuable scientific work.
Spacewalkers equip Hubble with new computer
Spacewalking astronauts upgraded the Hubble telescope for the first time in seven years, equipping the 19-year-old stargazer with a powerful new camera and science computer.
Hubble: a time machine that revolutionized astronomy
The Hubble space telescope, the object of NASA's fifth and last servicing mission next week, is a veritable time machine that has revolutionized humankind's vision and comprehension of the universe.
The day the universe froze: New dark energy model includes cosmological phase transition
Imagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years ago, when the universe was a quarter of the size it is today.
Refined Hubble Constant narrows explanations for dark energy
Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a precision where ...
Can R2 gravity explain dark matter?
Dark matter: Physicists may have found piece of the puzzle
European astronomers said on Wednesday that an anomalous energy signal detected by an orbiting satellite could be a telltale of the enigmatic substance known as dark matter.
Astronomers Gravitate Toward Einstein's Telescope
Scientists are harnessing the cosmos as a scientific 'instrument' in their quest to determine the makeup of the universe.
Cosmologists aim to observe first moments of universe
During the next decade, a delicate measurement of primordial light could reveal convincing evidence for the popular cosmic inflation theory, which proposes that a random, microscopic density fluctuation in ...
New Data Suggests We Don’t Live in a Void, and Supports Dark Energy
Astronomers from Princeton and Japan unite to explore the universe, near and far
Scientists from Princeton University and the National Astronomical Observatory of Japan (NAOJ) have agreed to collaborate over the next 10 years, using new instrumentation on the Hawaii-based Subaru Telescope ...