![Underwater Snow Gives Clues about Icy Shell of Jupiter’s Moon Europa](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/25/1401052517302710125903952.png)
![Underwater Snow Gives Clues about Icy Shell of Jupiter’s Moon Europa](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/25/1401052517302710125903952.png)
![President Affirms Support for Iranian Knowledge-Based Products](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/25/1401052513250295725902542.jpg)
President Affirms Support for Iranian Knowledge-Based Products
TEHRAN (Tasnim) – Iranian President Ebrahim Raisi reaffirmed his administration’s support for knowledge-based products developed by local experts.
![Iran to Unveil Food Irradiation Machine: AEOI Chief](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/12/1401051212325056425796222.jpg)
Iran to Unveil Food Irradiation Machine: AEOI Chief
TEHRAN (Tasnim) – The first homegrown system used for the irradiation of agricultural products will be unveiled in Iran within the next few days, Head of the Atomic Energy Organization of Iran (AEOI) Mohammad Eslami said.
![Could Universe 'Bounce' for Eternity?](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1399/06/22/1399062216063683721194662.jpg)
Could Universe 'Bounce' for Eternity?
TEHRAN (Tasnim) – From the smallest bacterium to the greatest galaxy, death looms on the horizon; even if, in cosmic terms, the time scales are too large for us to truly comprehend.
![Earth’s Days Mysteriously Increasing in Length](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1395/09/24/139509241959268769456682.jpg)
Earth’s Days Mysteriously Increasing in Length
TEHRAN (Tasnim) – Precise astronomical observations, combined with atomic clocks, have revealed that the length of a day is suddenly getting longer. Scientists don’t know why.
![Largest-Ever Image of Andromeda Galaxy ‘Extraordinarily Beautiful’](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/11/1401051117303262325792042.jpg)
Largest-Ever Image of Andromeda Galaxy ‘Extraordinarily Beautiful’
TEHRAN (Tasnim) – The "largest-ever" image assembled of the Andromeda galaxy by the Hubble Space Telescope was shared by NASA on Sunday. The picture was captured seven years ago and it is the sharpest large composite image ever taken of our galactic neighbor.
![Webb Telescope’s Revelations about Distant Galaxies](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/06/1401050617412178925756702.jpg)
Webb Telescope’s Revelations about Distant Galaxies
TEHRAN (Tasnim) – The state-of-the-art James Webb Space Telescope was built to peer into the distant Universe and back towards the dawn of time — and it’s already doing so spectacularly.
![How Earth Avoided A Mars-Like Fate](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1399/06/03/1399060313163074821027892.jpg)
How Earth Avoided A Mars-Like Fate
TEHRAN (Tasnim) – Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth's outer core generates our planet's protective magnetic field. This magnetic field is invisible but is vital for life on Earth's surface because it shields the planet from solar wind—streams of radiation
![Computer Model May Have Figured Out Why Saturn Has Rings But Jupiter Doesn't](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/05/01/1401050117270384625724892.png)
Computer Model May Have Figured Out Why Saturn Has Rings But Jupiter Doesn't
TEHRAN (Tasnim) – Jupiter, the fifth planet in our solar system and by far most massive, is a treasure trove of scientific discovery. Last year a pair of studies found that the planet's iconic Great Red Spot is 40 times deeper than the Mariana Trench, the deepest location on Planet Earth.
![Deepest, Most Detailed Picture of Cosmos Revealed by JWST, More to Come](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/21/1401042116322551725671112.jpg)
Deepest, Most Detailed Picture of Cosmos Revealed by JWST, More to Come
TEHRAN (Tasnim) – The first image from NASA’s James Webb Space Telescope has been revealed, showing what is said to be the “deepest” and most detailed picture of the cosmos to date.
![Search for Universe's Dark Matter Begins A Mile Underground](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1397/09/15/1397091513101443316076062.jpg)
Search for Universe's Dark Matter Begins A Mile Underground
TEHRAN (Tasnim) – In a former gold mine a mile underground, inside a titanium tank filled with a rare liquified gas, scientists have begun the search for what so far has been unfindable: dark matter.
![US Military Rocket Explodes Seconds after Launch in California](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/17/1401041716503730125645492.jpg)
US Military Rocket Explodes Seconds after Launch in California
TEHRAN (Tasnim) - A test rocket exploded several seconds after launching from the Vandenberg Space Force Base in the US state of California late Wednesday night, according to a news release on the base's website.
![Large Hadron Collider Successfully Restarted at Record Energy](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/15/1401041517343120125638572.png)
Large Hadron Collider Successfully Restarted at Record Energy
TEHRAN (Tasnim) – The Large Hadron Collider is once again delivering proton collisions to experiments, this time at an unprecedented energy of 13.6 TeV, marking the start of the accelerator’s third run of data taking for physics.
![COVID-19 May Have Originated in US Bio-Lab: American Economist](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/12/1401041209343069325619272.jpg)
COVID-19 May Have Originated in US Bio-Lab: American Economist
TEHRAN (Tasnim) – The SARS-CoV-2 virus that caused the COVID-19 pandemic did not emerge naturally, but rather "from a US lab biotechnology," according to renowned economist and policy analyst Jeffrey Sachs.
![White Dwarf Seen to Survive Its Own Supernova Explosion](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/08/1401040817452120125602902.png)
White Dwarf Seen to Survive Its Own Supernova Explosion
TEHRAN (Tasnim) – Astronomers have spotted a white dwarf that miraculously survived its own thermonuclear detonation, raising questions over how and why these stars create supernovas.
![Pluto's Moon Has A Mysterious Red North Pole, And We May Finally Know Why](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/04/02/1401040217044743425570432.png)
Pluto's Moon Has A Mysterious Red North Pole, And We May Finally Know Why
TEHRAN (Tasnim) – Pluto's life partner, Charon, has a disarming red 'cap'. Ever since New Horizons snapped the moon's rust-tinted north pole on its 2015 flyby, scientists have pondered the planetary processes responsible for leaving such a bold landmark.
![Climate Change A Factor in 'Unprecedented' South Asia Floods](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1397/12/26/1397122610264356116935372.jpg)
Climate Change A Factor in 'Unprecedented' South Asia Floods
TEHRAN (Tasnim) – Scientists say climate change is a factor behind the erratic and early rains that triggered unprecedented floods in Bangladesh and northeastern India, killing dozens and making lives miserable for millions of others.
![Physicists Say They've Built An Atom Laser That Can Theoretically Run 'Forever'](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/03/28/1401032817414711625542502.jpg)
Physicists Say They've Built An Atom Laser That Can Theoretically Run 'Forever'
TEHRAN (Tasnim) – A new breakthrough has allowed physicists to create a beam of atoms that behaves the same way as a laser, and that can theoretically stay on "forever".
![First Free-Floating Black Hole May Have Been Discovered](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1400/09/27/1400092717063296524299972.jpg)
First Free-Floating Black Hole May Have Been Discovered
TEHRAN (Tasnim) – A UC Berkeley research team led by graduate student Casey Lam and astronomy associate professor Jessica Lu may have discovered the first “free-floating” black hole.
![Polystyrene-Eating Beetle Larvae Could Help Recycle Plastics](https://newsmedia.tasnimnews.com/Tasnim/Uploaded/Image/1401/03/20/1401032015543936225503632.jpg)