Marsquakes might explain Mars’ north-south hemisphere differences

A map showing the stark difference between Mars’ southern highlands, in yellows and oranges, and northern…

Extreme winds on exoplanet reach 20,000 mph

Astronomers found extreme winds on exoplanet WASP-127b reach 20,000 mph (32,000 km/hr). EarthSky’s Will Triggs explains…

Lakes on Mars had ripples! They must have been ice-free

View larger. | Artist’s illustration of an ancient lake in Gale crater on Mars. NASA’s Curiosity…

Pandora exoplanet telescope to launch in late 2025

View larger. | Artist’s illustration of the Pandora exoplanet explorer, a new kind of space telescope.…

Andromeda galaxy: Hubble’s largest photomosaic yet

View larger. | This is the largest photomosaic ever assembled from NASA/ESA Hubble Space Telescope observations.…

Do aliens exist? What scientists really think

A survey of 1,055 scientists, including 521 astrobiologists, found that 86.6% believe basic extraterrestrial life likely…

Wow! Binary star’s dusty rings shine in new Webb images

Watch the dust shells of Wolf-Rayet 140 fade between 2022 and 2023. NASA’s Webb Space Telescope…

Little Red Dots might indicate ancient, growing black holes

Here are a few of many mysterious Little Red Dots, that the Webb space telescope spotted…

Beloved Gaia spacecraft ending its observations

Artist’s concept of ESA’s Gaia spacecraft mapping the stars of the Milky Way. Gaia’s observations will…

Why are these black hole X-ray flashes accelerating?

View larger. | Artists’ concept of a black hole siphoning material from a nearby white dwarf…