On Monday, the Biden administration confirmed it will not lift any existing international travel restrictions.
Dunhuang in China 'disappears' as it is swallowed by gigantic wall of sand more than 300 feet high. Footage shows high rise buildings disappearing beneath the cloud of dust.
Earlier this year the NASA had awarded a $2.9 billion contract to Bezos rival Elon Musk's SpaceX to build a lunar spacecraft.
While it's rare for humans to contract the disease, health officials warn that it can turn serious.
According to Fauci, the US can blunt that curve but with faster deployment of vaccines. The current vaccination levels do not offer comfort for the strategists.
A new paper provides details on the depth and composition of Mars' crust, mantle and core.
About half of the patients (46 per cent), with no history of diabetes, were found to have new hyperglycemia, according to new research.
New York Governor Andrew Cuomo battled allegations that his office had significantly undercounted nursing home fatalities.
The Delta variant is predicted to increase to the high 80 percent level while all the other three are predicted to stay below the 9 percent mark of total cases.
The Delta variant could be more than twice as transmissible as the original strain of SARS-CoV-2, the virus causing Covid-19.
CIA Director William Burns says that Russia could be responsible, but Moscow has denied involvement.
Dr. Thulani Mhlanga says raising awareness and busting misconceptions that locals may have is essential to ensuring those most in need receive their vaccinations
According to the study, 95 per cent of individuals who received two doses of the Sinopharm vaccine have developed antibodies similar to a naturally infected Covid-19 person.
Medical experts have not yet been able to determine the exact cause of the mysterious illness.
The Delta variant constitutes around 83 percent of the recent Covid-19 cases in the United States.