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 [...]
Whenever astronomers detect something new moving through our region of space, like an interstellar object or an unusual asteroid, somebody somewhere claims it could be an alien interstellar space probe. [...]
In a recent discovery, the James Webb Space Telescope (JWST) detected a massive stellar eruption measuring eight light-years across. This outflow, known as Sharpless 2-284 (Sh2-284 for short), is located [...]
78 million years ago, a 1.6 km asteroid slammed into what is now Finland, creating a crater 23 km (14 mi) wide and 750 km deep. The catastrophic impact created [...]