<SUBMISSION>
<ACCESSION-NUMBER>0001140361-10-039132
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20100929
<FILING-DATE>20100930
<DATE-OF-FILING-DATE-CHANGE>20100930
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Warren Ellen
<CIK>0001381736
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-32169
<FILM-NUMBER>101099691
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>311 ROUSER ROAD
<CITY>MOON TOWNSHIP
<STATE>PA
<ZIP>15108
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ATLAS ENERGY, INC.
<CIK>0001279228
<ASSIGNED-SIC>4922
<IRS-NUMBER>510404430
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>WESTPOINTE CORPORATE CENTER ONE
<STREET2>1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR
<CITY>MOONTOWNSHIP
<STATE>PA
<ZIP>15108
<PHONE>412-262-2830
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>WESTPOINTE CORPORATE CENTER ONE
<STREET2>1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR
<CITY>MOONTOWNSHIP
<STATE>PA
<ZIP>15108
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ATLAS AMERICA INC
<DATE-CHANGED>20040209
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-09-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001279228</issuerCik>
        <issuerName>ATLAS ENERGY, INC.</issuerName>
        <issuerTradingSymbol>ATLS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001381736</rptOwnerCik>
            <rptOwnerName>Warren Ellen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1845 WALNUT STREET, 10TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-09-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1773</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2926</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The undersigned is a participant in the Atlas Energy, Inc. (the &quot;Company&quot;) 2004 Stock Incentive Plan (the &quot;Plan&quot;).  The undersigned received 1,773 deferred units under the Plan on September 29, 2010.  Each deferred unit, upon vesting, converts into one share of Company common stock.  The deferred units are receivable on account of the undersigned's service as a non-employee director and without additional consideration.</footnote>
        <footnote id="F2">Includes 2,346 deferred units issued pursuant to the Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Lisa Washington, Attorney-in-Fact</signatureName>
        <signatureDate>2010-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
