Astronomers Discover Traces of Universe’s First Stars

Astronomers Discover Traces of Universe’s First Stars

TEHRAN (ANA)- Using ESO’s Very Large Telescope (VLT), researchers at the Observatoire de Paris – PSL have found for the first time the fingerprints left by the explosion of the first stars in the Universe.
Cosmic Antimatter Hints at Origins of Huge Bubbles in Our Galaxy’s Center

Cosmic Antimatter Hints at Origins of Huge Bubbles in Our Galaxy’s Center

TEHRAN (ANA)- Bubbles of radiation billowing from the galactic center may have started as a stream of electrons and their antimatter counterparts, positrons, new observations by scientists at Oakland University in Rochester suggest.
Uncovering Secrets of Universe with Neutrino Research

Uncovering Secrets of Universe with Neutrino Research

TEHRAN (ANA)- Sowjanya Gollapinni, a Senior Scientist in the Physics division at the US Department of Energy’s Los Alamos National Laboratory (LANL) in New Mexico, US, details the major collaborations in neutrino research helping to answer the great mysteries of the Universe.
Supernova’s Delayed Reappearance Could Pin Down How Fast Universe Expands

Supernova’s Delayed Reappearance Could Pin Down How Fast Universe Expands

TEHRAN (ANA)- A meandering trek taken by light from a remote supernova in the constellation Cetus may help researchers at the University of Copenhagen pin down how fast the universe expands — in another couple of decades.
Artificial Intelligence: First Stars Formed in Groups

Artificial Intelligence: First Stars Formed in Groups

TEHRAN (ANA)- Using Artificial Intelligence, an international team of researchers led by the University of Tokyo has found that the very first stars in the Universe were born in clusters rather than as isolated stars. 
Carbon Levels around Galaxies Shed Light on History of Universe

Carbon Levels around Galaxies Shed Light on History of Universe

TEHRAN (ANA)- A group of astrophysicists from Swinburne University of Technology have successfully revealed what the Universe was like 13 billion years ago after measuring carbon levels in the gases surrounding ancient galaxies.
Water in Our Solar System May Have Originated Billions of Years before Sun

Water in Our Solar System May Have Originated Billions of Years before Sun

TEHRAN (ANA)- Observations of water by scientists at the National Radio Astronomy Observatory (NRAO) in the disk forming around protostar V883 Ori have unlocked clues about the formation of comets and planetesimals in our own Solar System.
New Evidence Points to Black Holes as Source of Dark Energy

New Evidence Points to Black Holes as Source of Dark Energy

TEHRAN (ANA)- Searching through existing data spanning nine billion years, a team of researchers led by scientists at the University of Hawaiʻi at Manoa has uncovered the first evidence of ‘cosmological coupling’ – a newly predicted phenomenon in Einstein’s theory of gravity, possible only when black holes are placed inside an evolving universe.
Space Mystery: Unexpected New Ring System Discovered in Our Own Solar System

Space Mystery: Unexpected New Ring System Discovered in Our Own Solar System

TEHRAN (ANA)- During a break from looking at planets around other stars, the European Space Agency’s CHaracterising ExOPlanet Satellite (Cheops) mission observed a dwarf planet in our own Solar System and made a decisive contribution to the discovery of a dense ring of material around it.
Meteorites Reveal Likely Origin of Earth's Volatile Chemicals

Meteorites Reveal Likely Origin of Earth's Volatile Chemicals

TEHRAN (ANA)- Researchers at the Imperial College London analyzed meteorites and uncovered the likely far-flung origin of Earth's volatile chemicals, some of which form the building blocks of life.
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