The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

Mars clocks tick 477 microseconds faster per Earth day, complicating future missions and interplanetary timekeeping.

On 13 November, the Escape and Plasma Acceleration and Dynamic Explorers (EscaPADE) mission launched to space on the New ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Scientists reveal why time moves faster on Mars than on Earth, and how this affects future space communication and navigation ...

NASA has lost contact with its MAVEN spacecraft that launched from Florida and has been orbiting Mars for more than a decade.

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

Regina Barber and Emily Kwong of NPR's Short Wave discuss an Earth-sized exoplanet, how ant colonies deal with disease and a possible link between volcanoes and the Black Death.

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

In an update this week, NASA announced that it had lost signal of its MAVEN (Mars Atmosphere and Volatile EvolutioN) ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.