Project Dragonfly: Sail to the stars
https://www.sciencedirect.com/science/article/pii/S0094576517319136
Nanophotonic light sails for relativistic spaceflight by high-power laser beams
https://www.osapublishing.org/abstract.cfm?uri=CLEO_QELS-2018-FF1H.6
Materials challenges for the Starshot lightsail
https://www.nature.com/articles/s41563-018-0075-8
Propulsion system (possibly applicable to interstellar missions)
https://patentimages.storage.googleapis.com/ef/c8/ad/19693f1eed3a8e/US20180106219A1.pdf
Interplanetary spacecraft using fusion-powered constant-acceleration thrust (possibly applicable to interstellar missions)
https://patentimages.storage.googleapis.com/7f/1d/76/adc5d2c41b2ea6/US20180105292A1.pdf
House spending bill could brighten prospects for two giant telescopes
https://www.sciencemag.org/news/2018/05/house-spending-bill-could-brighten-prospects-two-giant-telescopes
The Evo-SETI unit of evolution is EE = Earth evolution = 25.575 bit
https://www.sciencedirect.com/science/article/pii/S0094576517316491
Two Thousand Kepler Phase Curves from Phasma
https://arxiv.org/abs/1805.04121
Exoplanet recycling in massive white-dwarf debris discs
https://arxiv.org/abs/1805.04429