Lack of vitamin D can lead to deficiencies such as rickets in children and osteomalacia in adults.
16 Oct 2017 3:20 PM
The twin star was named after Kronos' lesser-known brother Krios. Their official designations are HD 240430 and HD 240429.
14 Oct 2017 8:41 AM
A radiative cooling technology could help cut energy consumption by nearly 70 per cent.
18 Sep 2017 10:20 AM
Green, purple, pink and yellow lights danced across the sky in striking aurora displays over northern Finland early on Friday.
10 Sep 2017 10:21 AM
Out of two solar falres emitted yesterday, the second recorded to be the 'most intense' since December 2018.
07 Sep 2017 3:27 PM
Millions of people watched the first coast-to-coast total eclipse in the United States in nearly a century.
22 Aug 2017 8:11 AM
With 200 million people within a day's drive of Monday's path of totality, towns and parks braced for monumental crowds.
21 Aug 2017 3:19 PM
The solar eclipse will begin at Oregon coast (at 9.36 pm IST on Sunday) and end at the South Carolina coast (at 1.36 am IST on Tuesday).
21 Aug 2017 3:13 PM
The eclipse shadow was expected to move at 2,000 miles per hour in Oregon and slow down to 1,500 miles per hour in South Carolina.
21 Aug 2017 8:25 AM
The Earth, moon and sun line up perfectly every one to three years, briefly turning day into night for a sliver of the planet.
21 Aug 2017 8:02 AM
If you can't witness the total solar eclipse in person, you can still see it online or via TV.
20 Aug 2017 9:12 AM
The activities will include kindergartners using beads that react to ultraviolet light from the sun.
20 Aug 2017 8:11 AM
There should be absolutely no peeking without glasses or certified filters.
20 Aug 2017 8:03 AM
The last time a total solar eclipse swept the whole width of the US was in 1918.
19 Aug 2017 8:46 AM
There's a small group of people who have experienced it all before and they can't get enough of it.
18 Aug 2017 9:23 AM
This is the first eclipse to pass over the United States in the 21st century.
18 Aug 2017 8:39 AM
The rotation of the solar core may give a clue to how the Sun formed.
02 Aug 2017 12:50 PM
It was thought likely that distant worlds orbiting stars similar to our Sun would go through water-rich phases.
01 Aug 2017 8:13 AM
Keep your phone in your pocket, put on your paper shades.
31 Jul 2017 9:42 AM
NASA is reminding people to take eye safety precautions because it is never safe to look at the Sun during an eclipse.
22 Jul 2017 8:33 AM