Giant flash floods once washed through Gale Crater on Mars' equator around four billion years ago, according to a study which hints at the possibility that life may have existed on the Red Planet.

New York: Global drugmakers Pfizer and BioNTech said on Wednesday their COVID-19 vaccine candidate is 95 percent effective, including in people over 65 years of age, a major announcement coming just two days after Moderna said its virus vaccine has an efficacy rate of 94.5 percent.

Boston: Microsoft said it has detected attempts by state-backed Russian and North Korean hackers to steal valuable data from leading pharmaceutical companies and vaccine researchers.

New Delhi: The extremely low temperature of minus 70 degrees Celsius required for storing a potential COVID-19 vaccine developed by Pfizer poses a big challenge for its delivery in a developing nation like India, especially in its smaller towns and rural areas where maintaining such cold chain facilities would be very difficult, AIIMS Director Dr. Randeep Guleria said on Wednesday.

New Delhi: In a first, the Delhi Metro, starting Thursday, will provide on social media real-time average waiting duration at a few busy stations during morning and evening peak hours, officials said.

Hyderabad:: Sputnik V vaccine for COVID-19, being developed by Russia's Gamaleya National Research Institute of Epidemiology and Microbiology, has demonstrated an efficacy rate of 92 percent.

Hyderabad:: Emphasising the use of cutting edge technologies for better policing, Telangana Minister for IT and Industries KT Rama Rao on Wednesday advised the state police to use drones as a first responder from the department to a crime scene.

Amethi (UP):; The Centre-run flight training institute Indira Gandhi Rashtriya Uran Akademi (IGRUA) here on Saturday announced its expansion plan to begin drone pilot training courses, a first of its kind initiative by a government body.