Every satellite in the GPS constellation carries atomic clocks, and before launch those clocks are deliberately set to tick at the wrong rate.
Olympus Mons is a volcano on Mars, in the Tharsis region of the planet's western hemisphere.
On 16 July 1962, a 23-year-old French speleologist named Michel Siffre climbed down into the Scarasson cavern, an underground glacial cave in the Ligurian Alps, and stayed there for about two months.
On 18 August 1868, the French astronomer Pierre Janssen observed a total solar eclipse from Guntur, in India.
On 14 February 1990, the Voyager 1 spacecraft turned its cameras back toward the inner solar system and photographed the planets it had left behind.
Sending a command to Voyager 1 is closer to mailing a letter than placing a phone call.
The Japan Institute for Promotion of Digital Economy and Community published, in late May 2026, the results of a survey conducted online in mid-January.
At 11:08 p.m. local time on Sunday, May 24, 2026, the Long March-2F Y23 carrier rocket is scheduled to lift off from the Jiuquan Satellite Launch Center in northwest China, carrying the Shenzhou-23 vessel and three astronauts to China's Tiangong space station.
The Congressional Budget Office released, on May 12, 2026, a new analysis of the projected cost of the Trump administration's signature missile defense project, the so-called Golden Dome for America.
A “medium-size hard upper torso” is a rigid fiberglass shell that forms the chest and shoulders of the spacesuit worn outside the International Space Station.
Most adults, on examination, can recall both. They had an intuition that turned out to be right, often about something important.
In April 2026, engineers at NASA's Jet Propulsion Laboratory switched off another instrument on Voyager 1 — the Low-energy Charged Particles experiment, which…
On 14 December 1972, near the end of the final moonwalk of the Apollo programme, the commander of Apollo 17, Gene Cernan, knelt on the surface and traced three letters into the lunar dust with one finger.
On 4 May 1976, NASA launched a satellite called LAGEOS-1 from Vandenberg Air Force Base in California.
About 66 million years ago, an asteroid roughly 10 to 15 kilometres across struck the shallow sea covering what is now the Yucatan Peninsula in Mexico.
Most animals develop in one direction. An egg becomes a juvenile, a juvenile becomes an adult, the adult ages, and at some point it dies.
