Artist’s impression of a black hole star (not to scale). The cut-out reveals the central black hole with it surrounding accretion disk. What makes this a black hole star is

According to every experiment, the constants of nature appear to be constant. And this creates a really sticky, nasty, ugly problem for us: it looks like the constants are fine-tuned.

While plate tectonics may not be absolutely necessary for life, they may be necessary for a technological civilization to arise. Habitability may be possible on a static world, but habitability

The Gemini South Telescope captured this image of the interstellar comet 3I/ATLAS as it sped through the inner Solar System. The comet’s coma and tail are growing as it approaches

Protoplanets are celestial objects in the act of forming into full planets within the gas and dust disks surrounding hot, young stars. These objects, often several times the mass of

A new comet approaching from sunward could make a fine dusk appearance in October. Hello. A bright new comet is now emerging from the Sun’s glare at dusk. It all

Three data releases from the recently retired Gaia spacecraft show that far-flung parts of the Milky Way are connected by families of stars born in clusters. Some continue to travel

One possibility to explain the constants of nature is that there’s more than one universe. That we live in a multiverse, with each different universe “sampling” different values of the

This photo of comet C/2020 F3 NEOWISE was taken in July 2020. There’s no doubt that comets have struck Earth in the past, and some have exploded in the air

Blue Origin is committed to making a permanent human presence in space a reality. To this end, they have developed the New Shepard and New Glenn rockets to send payloads