Bright reflections that radar detected beneath the south pole of Mars may not be underground lakes as previously thought but deposits of clay instead, a new study finds. For decades, … Read more
In the wisp-thin sky of Jupiter’s moon Ganymede, the largest satellite in the solar system, astronomers have for the first time detected evidence of water vapor, a new study finds. … Read more
An enormous ghostly hand stretches through the depths of space, its wispy fingers pressing against a glowing cloud. It sounds like science fiction, but it’s quite real, as imagery gathered … Read more
There’s trouble brewing at the edge of the Milky Way: New measurements suggest that a peculiar distortion of the galactic disk is hardly moving, contradicting earlier reports. As yet, nobody … Read more
Out of an estimated 100 billion stars in our galaxy, no more than 14 may be made from antimatter. That’s the result from a new study that scoured the Milky … Read more
In recent years, cosmologists have been faced with a crisis: The universe is expanding, but no one can agree on how fast it’s moving away from us. That’s because different … Read more
The search for life in the universe tends to focus on habitable environments. But to answer questions about how life emerged and spread, as well as the limits of habitability, … Read more
Evidence of landslides on Mars may also raise the prospects that the Red Planet was once hospitable to life. A new study, published Feb. 3 in the journal Science Advances, … Read more
People both modern and ancient have long known of the Pleiades, or Seven Sisters, a small collection of stars in the constellation Taurus. But this famous assembly could point the … Read more
Astronomers have identified the most distant known object in our solar system — a dwarf planet nicknamed Farfarout that orbits far beyond Pluto. This remote mini-planet swings so far away … Read more