The nova eruptions come about when a white dwarf steals too much matter from a close red giant companion.

The discovery could explain why younger stars seem to have more lithium than the Big Bang theory says they should have.

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented detail. The breakthrough provides direct evidence that these explosions are ...

Astrophotographer André van der Hoeven captured Nova Delphinus 2013 from HI-Ambacht in The Netherlands on August 16, 2013. He writes: "When I heard the news [about the nova] I pointed my telescope ...