US scientists have predicted a fundamental asymmetry in the mechanism of water, which had previously gone unnoticed.

Global commercial launch provider Arianespace would launch three more heavy Indian satellites from its rocket port at Kourou in French Guiana over the next 9 months, a top space official said on Sunday.

NASA on Sunday said it had launched Parker Solar Probe, the US space agency's historic small car-sized probe, on its seven-year space odyssey that will take it gradually closer to the Sun at 3.8 million miles.

NASA on Sunday successfully launched the Parker Solar Probe, the US space agency's historic small car-size probe to "touch the Sun," from the Cape Canaveral Air Force Station in Florida.

"3-2-1... and we have liftoff of Parker #SolarProbe atop @ULAlaunch's #DeltaIV Heavy rocket," the US-based space agency tweeted. The launch was initially planned for Saturday morning.

NASA is all set to launch its historic small car-size probe to "touch the Sun" from Cape Canaveral Air Force Station in Florida at 3.33 am EDT (1 pm India time) on Saturday.

Indian-origin astronaut Sunita Williams is among the nine astronauts named by NASA on Friday for its first human spaceflight programme from the US soil since the retirement of the space shuttle in 2011.

After a successful launch in April this year, NASA's newest planet hunter, the Transiting Exoplanet Survey Satellite (TESS), has now started its search for planets around nearby stars.

If you missed the trilogy of supermoons earlier this year, the Lunar eclipse -- the longest of the 21st century -- set to occur on Friday, will offer you a rare celestial treat.