How icy outer solar system satellites may have formed  SCIENCE DAILY · 24 hours
Beyond the orbit of the planet Neptune, there are a multitude of icy and rocky small bodies, smaller than planets but larger than comets. These likely formed at the same... more
Study shows how icy outer solar system satellites may have formed  PHYS.ORG · 1 day
Using sophisticated computer simulations and observations, a team led by researchers from the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology has shown how the... more
Space physicists send instrument to target comets  PHYS.ORG · 2 days
Space physicists at Umeå University, Sweden, develop measuring instruments for the spaceship Comet Interceptor. The vessel has been selected to be part of the European Space Agency's ESA program to target comets that have... more
ESA's new mission to intercept a comet  PHYS.ORG · 6 days
"Comet Interceptor" has been selected as ESA's new fast-class mission in its Cosmic Vision Programme. Comprising three spacecraft, it will be the first to visit a truly pristine comet or other interstellar object that... more
ESA’s new mission to intercept a comet  ESA · 1 week
 ‘Comet Interceptor’ has been selected as ESA’s new fast-class mission in its Cosmic Vision Programme. Comprising three spacecraft, it will be the... more
A brief history of Ariane 5 launches with science missions onboard  PHYS.ORG · 3 weeks
If it wasn't for launch capabilities we would never have delved deep into the echo of the Big Bang nor lived out the adventures of Rosetta... more
Image: Hubble sees a galaxy bucking the trend  PHYS.ORG · 4 weeks
This luminous orb is the galaxy NGC 4621, better known as Messier 59. As this latter moniker indicates, the galaxy is listed in the famous catalog of deep-sky objects compiled by French... more
Hyperactive Comets Contain ‘Ocean-Like’ Water  SCI-NEWS.COM · 4 weeks
NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) observed the hyperactive Jupiter-family comet 46P/Wirtanen as it made its closest approach to Earth in December 2018. Now the... more
How Did Earth Get Its Water? Scientists Now Look to 'Hyperactive' Comets for Clues  SPACE.COM · 4 weeks
Fresh observations of Comet 46P/Wirtanen, which swung by Earth in December 2018, suggest that more of Earth's water came from... more
Comet inspires chemistry for making breathable oxygen on Mars  SCIENCE DAILY · 4 weeks
Researchers have demonstrated a new reaction for generating oxygen that could help humans explore the universe and perhaps even fight climate change at home. more
Giant planets and comets battling in the circumstellar disk around HD 163296  PHYS.ORG · 4 weeks
In a study appearing today in the Astrophysical Journal, an INAF-lead team of researchers explored whether the anomalous features in the dust and gas... more
Stolen comets and free-floating objects  PHYS.ORG · 4 weeks
Our solar system may contain alien comets that were stolen from another star flying past 4.5 billion years ago. Far away in a distant cluster of young stars, a similar close encounter might have also sent the inter-stellar... more
Stolen comets and free-floating objects