Age data show planetesimals provided building materials for water-rich planets in the early solar system

Left column: Both colorbar and isolines show fit quality as a function of planetesimal radius R…

Building a prototype of the cosmos

A new simulation offers a glimpse of what NASA’s Nancy Grace Roman Space Telescope could see…

We need to consider alternatives to dark matter that better explain cosmological observations

A composite image showing the distribution of dark matter, galaxies and hot gas in the core…

A once-in-a-lifetime explosion is about to create a ‘new’ star in the sky

Credit: Stellarium Web Online Star Map Any night now, a “new star” or nova will appear…

Countdown to first launch of Europe’s Ariane 6 rocket

Ariane 6’s maiden flight will carry 17 different ‘passengers’, including 11 university micro-satellites, as well as…

Evidence of water vapor detected in the atmosphere of Smertrios

Artist’s concept of Smertrios. Credit: NASA. Using the CARMENES spectrograph, astronomers have found evidence of water…

SpaceX sends up Space Coast’s 50th rocket launch of the year

Credit: Unsplash/CC0 Public Domain SpaceX continued the Space Coast’s record rocket launch pace with a July…

Astronomers find surprising ice world in the habitable zone with JWST data

Temperate exoplanet LHS 1140 b may be a world completely covered in ice (left) similar to…

Nearby exoplanet has trace amounts of hydrogen sulfide, Webb data suggest

Concept art of HD 189733 b, the closest transiting hot Jupiter to Earth. Credit: Roberto Molar…

Researchers predict new phase in neutron stars that favors ‘nuclear pasta’

Phase diagram as a function of the total density 𝑛 and the proton fraction 𝑥 at…