In this false-colour image of the centre of the galaxy taken by the Fermi space telescope, all known gamma-ray sources have been removed, revealing excess emissions that may arise from dark matter annihilations.
Source: Best dark matter signal yet hints at heftier particles (NewScientist.com)
This illustration summarises the almost 14-billion-year long history of our Universe. It shows the main events that occurred between the initial phase of the cosmos, where its properties were almost uniform and punctuated only by tiny fluctuations, to the rich variety of cosmic structure that we observe today, from stars and planets to galaxies and galaxy clusters.
Hubble image of NGC 5793, a spiral galaxy over 150 million light-years away in the constellation of Libra. This galaxy has two particularly striking features: a beautiful dust lane and an intensely bright center — much brighter than that of our own galaxy, or indeed those of most spiral galaxies we observe.
A Polarizing Discovery About the Big Bang! A great minutephysics video.
Detected primordial gravitational waves! See how looks the excitement of a big discovery in scientists, or more precisely, the emotion after experimental evidences about a theory, inflation theory, over one of the fathers of it. Assistant Professor Chao-Lin Kuo surprises Professor Andrei Linde with evidence that supports cosmic inflation theory.
- Primordial gravitational waves are gravitational waves sent out into space a trillionth of a second after the Big Bang. They could have been detected by analyzing the polarization (B-modes) of the cosmic microwave background.
- Announcement at Harvard-Smithsonian Center for Astrophysics.
- BICEP and Keck Array (BICEP2 2014 Results Release)
- Sean Carroll pre-announcement and update.
- Liam McAllister (Cornell University) at The Reference Frame.
- WIRED: Cosmologists Finally Capture an Elusive Signal From the Beginning of Time.