“Chance of Impact 100%” – Fifth Asteroid Ever Discovered Before Impact
A large asteroid has been observed in space before hitting Earth. It’s the fifth known impactor to be detected before it hits the ground and…
A large asteroid has been observed in space before hitting Earth. It’s the fifth known impactor to be detected before it hits the ground and…
On February 18, 2022, the NASA/ESA/CSA James Webb Space Telescope was photographed by ESA’s Gaia observatory. Both spacecraft are located in orbits around the Lagrange…
To survive on Mars will mean maximizing use of all available resources. A team from Spanish technological center Tekniker is working on a system that uses sunlight to…
Expedition 66 Flight Engineers Raja Chari of NASA and Matthias Maurer of ESA (European Space Agency) concluded their spacewalk at 3:26 p.m. EDT on March…
NASA astronaut Raja Chari and European Space Agency (ESA) astronaut Matthias Maurer are conducting a spacewalk on Wednesday, March 23 to install new hoses on…
Mission managers have given the go for two astronauts to exit the International Space Station on Wednesday for a six-and-a-half-hour spacewalk. Meanwhile, three Expedition 66…
This cosmic portrait — captured with the NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 (WFC3) — shows a stunning view of the spiral galaxy…
What Is Gravitational Lensing? Gravitational lensing occurs when a massive celestial body — such as a galaxy cluster — causes a sufficient curvature of spacetime…
The rocket that will launch NASA’s Orion spacecraft with the European Service Module to the Moon has been moved to the launchpad in Florida, USA,…
Part of Lake Nasser, one of the largest artificial lakes in the world, is featured in this false-color image captured by the Copernicus Sentinel-2 mission….
This full-size Hubble image shows galaxy cluster SDSS J1004+4112 that was discovered as part of the Sloan Digital Sky Survey. It is one of the…
What Is an Atmosphere? An atmosphere is a layer (or several layers) of gas that surrounds a planet, or other celestial body. If a celestial…
Following the completion of critical mirror alignment steps, the NASA/ESA/CSA James Webb Space Telescope team expects that Webb’s optical performance will be able to meet…
As an intergovernmental organization mandated to develop and implement space programs in full respect with European values, we deeply deplore the human casualties and tragic…
What Is an Active Galactic Nucleus? An active galactic nucleus, or AGN, is an extremely bright central region of a galaxy that is dominated by…
What Is a Spiral Galaxy? A spiral galaxy typically has a rotating disc with spiral ‘arms’ that curve out from a dense central region. The…
This finely detailed image shows the heart of NGC 1097, a barred spiral galaxy that lies about 48 million light-years from Earth in the constellation…
Twilight is a long affair at research station Concordia, situated just a few 1000 km from the South Pole. The Sun disappears completely behind the…