Related topics: galaxies · universe

Are Nobels out of step with science?

This year's crop of Nobel prizes has sharpened a sometimes bitter debate as to whether science's top awards should each be limited to just three individuals in an era of collaborative research.

Astrophysicists unwind 'Cold Dark Matter Catastrophe' conundrum

For nearly twenty years scientists have been trying to resolve the discrepancy in the cold dark matter paradigm - the so-called "Cold Dark Matter catastrophe". Recently an international research group including physics professor ...

Video: Can wormholes act like time machines?

Time travel into the past is a tricky thing. We know of no single law of physics that absolutely forbids it, and yet we can't find a way to do it, and if we could do it, the possibility opens up all sorts of uncomfortable ...

New data from PAMELA provides better measure of positrons

(Phys.org) —A large team made up of researchers from several European countries (Italy, Russia, Sweden and Germany) has published, in the journal Physical Review Letters, the latest findings from the Payload for Antimatter/Matter ...

UCSC acquires powerful new astrophysics supercomputer system

State-of-the-art computer systems have been instrumental in making UC Santa Cruz one of the world's leading centers for computational astrophysics and planetary science. A new supercomputer recently installed on campus provides ...

New look at HD 10180 shows it might have nine planets

(Phys.org) -- Astronomer Mikko Tuomi of the University of Hertfordshire, has found after looking at data regarding the solar system surrounding the star HD 10180, that it likely has nine planets making it the most highly ...

An image gallery gift from Swift satellite

(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, Swift's ...

Team Shines Cosmic Light on Missing Ordinary Matter

(PhysOrg.com) -- An international team of scientists, led by University of Maryland astronomer Stacy McGaugh, has found that individual galactic objects have less ordinary matter, relative to dark matter, than does the Universe ...

Can life emerge on planets around cooling stars?

(Phys.org)—Astronomers find planets in strange places and wonder if they might support life. One such place would be in orbit around a white or brown dwarf. While neither is a star like the sun, both glow and so could be ...

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