Time to check in on this month's bright nova in Delphinus. After plateauing at magnitude 5.0 last weekend, Nova Del 2013 has been slowly fading ever since. By last night it had slid to 5.8 or just a ...

Thermonuclear detonations on white dwarf stars are "lithium factories," according to a gamma-ray signal that is the first hard evidence that these explosions are creating the lithium used in our ...

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 ...