To reproduce the orbits and masses of the terrestrial planets (analogs) of the solar system, most studies scrutinize simulations for success as a batch. However, there is insufficient discussion in ...

New work from Carnegie’s Alan Boss offers a potential solution to a longstanding problem in the prevailing theory of how rocky planets formed in our own solar system, as well as in others. The snag he ...

Preface / Larry W. Esposito, Ellen R. Stofan, and Thomas E. Cravens -- Exploring Venus : major scientific issues and directions / Larry W. Esposito, Ellen R. Stofan, and Thomas E. Cravens -- ...

Best chance of finding liquid water, and even life on other planets, is to look for the absence of carbon dioxide in their atmospheres. Scientists at MIT, the University of Birmingham, and elsewhere ...

The solar system is 4.54 billion years old, based on rock dating. Gas giants (Jupiter and Saturn) likely formed first. Ice giants (Uranus and Neptune) probably formed next. Rocky planets formed last, ...

The European Space Agency (ESA) spacecraft now has 24 of its 26 cameras installed, which once launched will be used to hunt for terrestrial planets. The European Space Agency (ESA) is two dozen steps ...