After looping through space for 53 years, a wayward Soviet spacecraft called Kosmos-482 returned to Earth, entering the planet's atmosphere at 9:24 a.m. Moscow time Saturday, according to Roscosmos, ...

The Soviets launched Kosmos 482 in 1972, intending to send it to Venus to join other spacecraft in their Venera program. But ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

The future of this tax credit is uncertain, as the current administration has expressed a desire to eliminate the subsidies ...

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some ...

At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead ...

Did you know that the sun is up for more hours this month than in August? August is summertime, and May is still spring, so it may not seem quite right.

In 2005, thanks to Michael Brown’s scientific antics, Pluto was removed from the list of planets in the solar system. In 1968, the Apollo 8 mission flew around the moon. In 2001, Chris Hadfield became ...

As the night sky became polluted with light from electrified cities, people built planetariums. Today, they’re more ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class of planets.