Two positive tests at an interval of at least 102 days with one interim negative test have been defined as SARS-CoV-2 re-infection or relapse of COVID-19 by Indian scientists for establishing surveillance systems, according to a study by ICMR.
A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.
SpaceX chief Elon Musk confirmed on Twitter Tuesday that the latest prototype of the company's Starship rocket series had crashed, after the video feed of its test flight cut out.
Scientists have assessed the course of evolution of the novel coronavirus and predicted that COVID-19 vaccines currently in use across the world may need regular updates to counter new variants of the virus which are capable of escaping the body's protective antibodies.
Antibodies against the novel coronavirus wane at different rates, lasting for mere days in some individuals, while persisting in others for decades, according to a new study which says COVID-19 severity could be a deciding factor in having longer-lasting protection against reinfection.
NASA successfully carried out a key static test of its troubled Space Launch System rocket on Thursday, a win for the agency as it prepares to return to the Moon.
Vast amounts of ancient water may have been trapped beneath the surface of Mars, according to a NASA-funded study which challenges the current theory that the Red Planet's water escaped into space.
The U.S. Space Force is using virtual reality headsets to launch satellite mission operators into places they've never been before.
Once China establishes a lunar research station, its astronauts will stay on the moon for long periods of time as they conduct scientific studies, state media reported on Sunday, citing the architect of China's lunar programme.
A combination of robust vaccination programmes and strict physical distancing rules may be enough to prevent recurring peaks of COVID-19 without greatly restricting the mobility of people, according to a modelling study.
For more than 100 million years after the big bang, the universe was dark.
More than a century after the first powered flight on Earth, NASA intends to prove it's possible to replicate the feat on another world.
India has seen an exponential increase in the number of scientific publications over the last 10 years and is in the third position globally after China and the US, the Department of Science and Technology (DST) said.