Getting a spacecraft to another star is a monumental challenge. However, that doesn't stop people from working on it. The most visible groups currently doing so are Breakthrough Starshot and the Tau ...

Tidal disruption event A black hole devours a star that has come too close. In rare circumstances, this may also result in jets moving with almost the speed of light that generate light at many ...

Intense, femtosecond laser pulse focused on a nano structured, ordered ‘pillar’ target, exciting beams of ultrashort electron pulses at MeV energies. Highlights the role of such structured surfaces ...