Scientists Successfully Complete World-First Firing of Air-Breathing Electric Thruster
In a world-first, an ESA-led team has built and fired an electric thruster to ingest scarce air molecules from the top of the atmosphere for…
In a world-first, an ESA-led team has built and fired an electric thruster to ingest scarce air molecules from the top of the atmosphere for…
ESA’s Integral space observatory has witnessed a rare event: the moment that winds emitted by a swollen red giant star revived its slow-spinning companion, the…
Living near a star is risky business, and positioning a spacecraft near the Sun is a very good way to observe rapidly changing solar activity…
For the first time, scientists have estimated how much energy is transferred from large to small scales within the magnetosheath, the boundary region between the…
This NASA/ESA Hubble Space Telescope image shows a spiral galaxy known as NGC 7331. First spotted by the prolific galaxy hunter William Herschel in 1784,…
In 2013, the European Space Agency and Roscosmos — the Russian governmental body responsible for space research — agreed to cooperate on ExoMars, the first…
ESA’s next miniature satellite will be its first able to change orbit. Thanks to a compact thruster resembling a butane cigarette lighter, the cereal box-sized…
The European Space Agency and NASA mission SOHO — short for Solar and Heliospheric Observatory — got a visit from an old friend this week…
The movements of more than 300,000 stars surveyed by ESA’s Gaia satellite reveal that rare close encounters with our Sun might disturb the cloud of…
This Hubble image of the week shows dwarf galaxy NGC 5949, which is located roughly 44 million light-years away. The subject of this NASA/ESA Hubble…
New Horizons’ next target just got a lot more interesting. Astronomers believe that Kuiper Belt object 2014 MU69 may actually be two objects that are…
Using data from the Solar and Heliospheric Observatory, or SOHO, astronomers have detected a type of wave called g-modes on the Sun. After four decades…
The New Horizons Spacecraft won’t pass its next target until New Year’s Day 2019, but Kuiper Belt object 2014 MU69 is already revealing surprises. Scientists…
This Hubble image of the week shows “Hidden Galaxy” IC 342, which is located 11 million light-years away. IC 342 is a challenging cosmic target….
The European Space Agency (ESA) has selected the Laser Interferometer Space Antenna (LISA) for its third large-class mission in the agency’s Cosmic Vision science program….
New composite images captured by ESA’s Mars Express offer a window into the watery past of the Red Planet. This 70 km-wide (43 mile-wide) crater…
The Rosetta mission has documented remarkable changes on the surface of Comet 67P, revealing growing fractures, collapsing cliffs, rolling boulders, and moving material. Images returned…
The above image is one of the first image pairs taken by the ExoMars high-resolution CaSSIS camera. ExoMars was launched on a Proton-M rocket from…