I/ATLAS stands apart from other interstellar objects because of its size as well as pace, and will soon disappear from ...

Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, leaving the detective work on this object to spacecraft far from Earth.

Perseverance represents more than a machine. It is a proxy extending humanity’s senses across millions of miles to an alien ...

“The presence of this mineral puts a lot more nuance on what was going on,” said Mario Parente, an associate professor of ...