Mutations in trees and worms have been noticed.
SpaceX CEO Elon Musk said the company did not expect the landing to be successful.
The galaxy, named GN-z11, is located in the direction of the constellation Ursa Major.
The four-flavoured quark is rare and not fully understood.
The astronaut has added two inches after a year in space.
NASA astronaut Scott Kelly returns to Earth after nearly a year on the International Space Station.
This is the first time sperm cells were made entirely in the lab.
It was also seen that anxiety pills helped control the spread of cancer.
The US study found high rates of carbon tetrachloride emissions in industrial areas.
The study calls for further cuts in emissions and starting from now.
Scientists detect for the first time gravitational waves hypothesized by Albert Einstein a century ago
In Venezuela, 68 patients are being treated in intensive care for complications from the infection.
The locality the patient lived in was not known to be one of those "active dengue clusters".
The maximum eclipse will be visible around 8.23am and the solar event will last until 9.33am
Researchers in the US have said Zika virus infection can cause eye abnormalities in babies that threaten vision,